19995143840

素因数分解:

$2^5\times 5^1\times 7^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 480

約数和(自身を含む): 60172471296

約数和(自身を除く): 40177327456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 49, 56, 62, 70, 73, 80, 92, 98, 112, 115, 124, 140, 146, 155, 160, 161, 184, 196, 217, 224, 230, 245, 248, 280, 292, 310, 322, 343, 365, 368, 392, 434, 460, 490, 496, 511, 560, 584, 620, 644, 686, 713, 730, 736, 784, 805, 868, 920, 980, 992, 1022, 1085, 1120, 1127, 1168, 1240, 1288, 1372, 1426, 1460, 1519, 1568, 1610, 1679, 1715, 1736, 1840, 1960, 2044, 2170, 2254, 2263, 2336, 2401, 2480, 2555, 2576, 2744, 2852, 2920, 3038, 3220, 3358, 3430, 3472, 3565, 3577, 3680, 3920, 4088, 4340, 4508, 4526, 4802, 4960, 4991, 5110, 5152, 5488, 5635, 5704, 5840, 6076, 6440, 6716, 6860, 6944, 7130, 7154, 7595, 7840, 7889, 8176, 8395, 8680, 9016, 9052, 9604, 9982, 10220, 10633, 10976, 11270, 11315, 11408, 11680, 11753, 12005, 12152, 12880, 13432, 13720, 14260, 14308, 15190, 15778, 15841, 16352, 16790, 17360, 17885, 18032, 18104, 19208, 19964, 20440, 21266, 22540, 22630, 22816, 23506, 24010, 24304, 24955, 25039, 25760, 26864, 27440, 28520, 28616, 30380, 31556, 31682, 33580, 34720, 34937, 35770, 36064, 36208, 38416, 39445, 39928, 40880, 42532, 45080, 45260, 47012, 48020, 48608, 49910, 50078, 52049, 53165, 53728, 54880, 55223, 57040, 57232, 58765, 60760, 63112, 63364, 67160, 69874, 71540, 72416, 74431, 76832, 78890, 79205, 79856, 81760, 82271, 85064, 90160, 90520, 94024, 96040, 99820, 100156, 104098, 106330, 110446, 110887, 114080, 114464, 117530, 121520, 125195, 126224, 126728, 134320, 139748, 143080, 148862, 157780, 158410, 159712, 164542, 170128, 174685, 175273, 180320, 181040, 188048, 192080, 199640, 200312, 208196, 212660, 220892, 221774, 235060, 243040, 244559, 250390, 252448, 253456, 260245, 268640, 276115, 279496, 286160, 297724, 315560, 316820, 329084, 340256, 349370, 350546, 362080, 364343, 372155, 376096, 384160, 399280, 400624, 411355, 416392, 425320, 441784, 443548, 470120, 489118, 500780, 506912, 520490, 552230, 554435, 558992, 572320, 575897, 595448, 631120, 633640, 658168, 698740, 701092, 728686, 744310, 776209, 798560, 801248, 822710, 832784, 850640, 876365, 883568, 887096, 940240, 978236, 1001560, 1040980, 1104460, 1108870, 1117984, 1151794, 1190896, 1222795, 1262240, 1267280, 1316336, 1397480, 1402184, 1457372, 1488620, 1552418, 1645420, 1665568, 1701280, 1711913, 1752730, 1767136, 1774192, 1821715, 1880480, 1956472, 2003120, 2081960, 2208920, 2217740, 2303588, 2381792, 2445590, 2534560, 2550401, 2632672, 2794960, 2804368, 2879485, 2914744, 2977240, 3104836, 3290840, 3423826, 3505460, 3548384, 3643430, 3881045, 3912944, 4006240, 4031279, 4163920, 4417840, 4435480, 4607176, 4891180, 5100802, 5433463, 5589920, 5608736, 5758970, 5829488, 5954480, 6209672, 6581680, 6847652, 7010920, 7286860, 7762090, 7825888, 8062558, 8327840, 8559565, 8835680, 8870960, 9214352, 9782360, 10201604, 10866926, 11517940, 11658976, 11908960, 12419344, 12752005, 13163360, 13695304, 14021840, 14573720, 15524180, 16125116, 17119130, 17741920, 17852807, 18428704, 19564720, 20156395, 20403208, 21733852, 23035880, 24838688, 25504010, 27167315, 27390608, 28043680, 29147440, 31048360, 32250232, 34238260, 35705614, 39129440, 40312790, 40806416, 43467704, 46071760, 51008020, 54334630, 54781216, 58294880, 62096720, 64500464, 68476520, 71411228, 80625580, 81612832, 86935408, 89264035, 92143520, 102016040, 108669260, 124193440, 124969649, 129000928, 136953040, 142822456, 161251160, 173870816, 178528070, 204032080, 217338520, 249939298, 273906080, 285644912, 322502320, 357056140, 408064160, 434677040, 499878596, 571289824, 624848245, 645004640, 714112280, 869354080, 999757192, 1249696490, 1428224560, 1999514384, 2499392980, 2856449120, 3999028768, 4998785960, 9997571920, 19995143840]

約数ペア:

[(1, 19995143840), (2, 9997571920), (4, 4998785960), (5, 3999028768), (7, 2856449120), (8, 2499392980), (10, 1999514384), (14, 1428224560), (16, 1249696490), (20, 999757192), (23, 869354080), (28, 714112280), (31, 645004640), (32, 624848245), (35, 571289824), (40, 499878596), (46, 434677040), (49, 408064160), (56, 357056140), (62, 322502320), (70, 285644912), (73, 273906080), (80, 249939298), (92, 217338520), (98, 204032080), (112, 178528070), (115, 173870816), (124, 161251160), (140, 142822456), (146, 136953040), (155, 129000928), (160, 124969649), (161, 124193440), (184, 108669260), (196, 102016040), (217, 92143520), (224, 89264035), (230, 86935408), (245, 81612832), (248, 80625580), (280, 71411228), (292, 68476520), (310, 64500464), (322, 62096720), (343, 58294880), (365, 54781216), (368, 54334630), (392, 51008020), (434, 46071760), (460, 43467704), (490, 40806416), (496, 40312790), (511, 39129440), (560, 35705614), (584, 34238260), (620, 32250232), (644, 31048360), (686, 29147440), (713, 28043680), (730, 27390608), (736, 27167315), (784, 25504010), (805, 24838688), (868, 23035880), (920, 21733852), (980, 20403208), (992, 20156395), (1022, 19564720), (1085, 18428704), (1120, 17852807), (1127, 17741920), (1168, 17119130), (1240, 16125116), (1288, 15524180), (1372, 14573720), (1426, 14021840), (1460, 13695304), (1519, 13163360), (1568, 12752005), (1610, 12419344), (1679, 11908960), (1715, 11658976), (1736, 11517940), (1840, 10866926), (1960, 10201604), (2044, 9782360), (2170, 9214352), (2254, 8870960), (2263, 8835680), (2336, 8559565), (2401, 8327840), (2480, 8062558), (2555, 7825888), (2576, 7762090), (2744, 7286860), (2852, 7010920), (2920, 6847652), (3038, 6581680), (3220, 6209672), (3358, 5954480), (3430, 5829488), (3472, 5758970), (3565, 5608736), (3577, 5589920), (3680, 5433463), (3920, 5100802), (4088, 4891180), (4340, 4607176), (4508, 4435480), (4526, 4417840), (4802, 4163920), (4960, 4031279), (4991, 4006240), (5110, 3912944), (5152, 3881045), (5488, 3643430), (5635, 3548384), (5704, 3505460), (5840, 3423826), (6076, 3290840), (6440, 3104836), (6716, 2977240), (6860, 2914744), (6944, 2879485), (7130, 2804368), (7154, 2794960), (7595, 2632672), (7840, 2550401), (7889, 2534560), (8176, 2445590), (8395, 2381792), (8680, 2303588), (9016, 2217740), (9052, 2208920), (9604, 2081960), (9982, 2003120), (10220, 1956472), (10633, 1880480), (10976, 1821715), (11270, 1774192), (11315, 1767136), (11408, 1752730), (11680, 1711913), (11753, 1701280), (12005, 1665568), (12152, 1645420), (12880, 1552418), (13432, 1488620), (13720, 1457372), (14260, 1402184), (14308, 1397480), (15190, 1316336), (15778, 1267280), (15841, 1262240), (16352, 1222795), (16790, 1190896), (17360, 1151794), (17885, 1117984), (18032, 1108870), (18104, 1104460), (19208, 1040980), (19964, 1001560), (20440, 978236), (21266, 940240), (22540, 887096), (22630, 883568), (22816, 876365), (23506, 850640), (24010, 832784), (24304, 822710), (24955, 801248), (25039, 798560), (25760, 776209), (26864, 744310), (27440, 728686), (28520, 701092), (28616, 698740), (30380, 658168), (31556, 633640), (31682, 631120), (33580, 595448), (34720, 575897), (34937, 572320), (35770, 558992), (36064, 554435), (36208, 552230), (38416, 520490), (39445, 506912), (39928, 500780), (40880, 489118), (42532, 470120), (45080, 443548), (45260, 441784), (47012, 425320), (48020, 416392), (48608, 411355), (49910, 400624), (50078, 399280), (52049, 384160), (53165, 376096), (53728, 372155), (54880, 364343), (55223, 362080), (57040, 350546), (57232, 349370), (58765, 340256), (60760, 329084), (63112, 316820), (63364, 315560), (67160, 297724), (69874, 286160), (71540, 279496), (72416, 276115), (74431, 268640), (76832, 260245), (78890, 253456), (79205, 252448), (79856, 250390), (81760, 244559), (82271, 243040), (85064, 235060), (90160, 221774), (90520, 220892), (94024, 212660), (96040, 208196), (99820, 200312), (100156, 199640), (104098, 192080), (106330, 188048), (110446, 181040), (110887, 180320), (114080, 175273), (114464, 174685), (117530, 170128), (121520, 164542), (125195, 159712), (126224, 158410), (126728, 157780), (134320, 148862), (139748, 143080)]