1818980800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:117

約数の個数: 378

約数和(自身を含む): 5723421624

約数和(自身を除く): 3904440824

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 31, 32, 35, 40, 50, 52, 56, 62, 64, 65, 70, 80, 91, 100, 104, 112, 124, 130, 140, 155, 160, 169, 175, 182, 200, 208, 217, 224, 248, 260, 280, 310, 320, 325, 338, 350, 364, 400, 403, 416, 434, 448, 455, 496, 520, 560, 620, 650, 676, 700, 728, 775, 800, 806, 832, 845, 868, 910, 961, 992, 1040, 1085, 1120, 1183, 1240, 1300, 1352, 1400, 1456, 1550, 1600, 1612, 1690, 1736, 1820, 1922, 1984, 2015, 2080, 2170, 2240, 2275, 2366, 2480, 2600, 2704, 2800, 2821, 2912, 3100, 3224, 3380, 3472, 3640, 3844, 4030, 4160, 4225, 4340, 4550, 4732, 4805, 4960, 5200, 5239, 5408, 5425, 5600, 5642, 5824, 5915, 6200, 6448, 6727, 6760, 6944, 7280, 7688, 8060, 8450, 8680, 9100, 9464, 9610, 9920, 10075, 10400, 10478, 10816, 10850, 11200, 11284, 11830, 12400, 12493, 12896, 13454, 13520, 13888, 14105, 14560, 15376, 16120, 16900, 17360, 18200, 18928, 19220, 20150, 20800, 20956, 21700, 22568, 23660, 24025, 24800, 24986, 25792, 26195, 26908, 27040, 28210, 29120, 29575, 30752, 32240, 33635, 33800, 34720, 36400, 36673, 37856, 38440, 40300, 41912, 43400, 45136, 47320, 48050, 49600, 49972, 52390, 53816, 54080, 56420, 59150, 61504, 62465, 64480, 67270, 67600, 69440, 70525, 72800, 73346, 75712, 76880, 80600, 83824, 86800, 87451, 90272, 94640, 96100, 99944, 104780, 107632, 112840, 118300, 124930, 128960, 130975, 134540, 135200, 141050, 145600, 146692, 153760, 161200, 162409, 167648, 168175, 173600, 174902, 180544, 183365, 189280, 192200, 199888, 209560, 215264, 225680, 236600, 249860, 261950, 269080, 270400, 282100, 293384, 307520, 312325, 322400, 324818, 335296, 336350, 347200, 349804, 366730, 378560, 384400, 399776, 419120, 430528, 437255, 451360, 473200, 499720, 523900, 538160, 564200, 586768, 624650, 644800, 649636, 672700, 699608, 733460, 768800, 799552, 812045, 838240, 874510, 902720, 916825, 946400, 999440, 1047800, 1076320, 1128400, 1136863, 1173536, 1249300, 1299272, 1345400, 1399216, 1466920, 1537600, 1624090, 1676480, 1749020, 1833650, 1892800, 1998880, 2095600, 2152640, 2186275, 2256800, 2273726, 2347072, 2498600, 2598544, 2690800, 2798432, 2933840, 3248180, 3498040, 3667300, 3997760, 4060225, 4191200, 4372550, 4513600, 4547452, 4997200, 5197088, 5381600, 5596864, 5684315, 5867680, 6496360, 6996080, 7334600, 8120450, 8382400, 8745100, 9094904, 9994400, 10394176, 10763200, 11368630, 11735360, 12992720, 13992160, 14669200, 16240900, 17490200, 18189808, 19988800, 22737260, 25985440, 27984320, 28421575, 29338400, 32481800, 34980400, 36379616, 45474520, 51970880, 56843150, 58676800, 64963600, 69960800, 72759232, 90949040, 113686300, 129927200, 139921600, 181898080, 227372600, 259854400, 363796160, 454745200, 909490400, 1818980800]

約数ペア:

[(1, 1818980800), (2, 909490400), (4, 454745200), (5, 363796160), (7, 259854400), (8, 227372600), (10, 181898080), (13, 139921600), (14, 129927200), (16, 113686300), (20, 90949040), (25, 72759232), (26, 69960800), (28, 64963600), (31, 58676800), (32, 56843150), (35, 51970880), (40, 45474520), (50, 36379616), (52, 34980400), (56, 32481800), (62, 29338400), (64, 28421575), (65, 27984320), (70, 25985440), (80, 22737260), (91, 19988800), (100, 18189808), (104, 17490200), (112, 16240900), (124, 14669200), (130, 13992160), (140, 12992720), (155, 11735360), (160, 11368630), (169, 10763200), (175, 10394176), (182, 9994400), (200, 9094904), (208, 8745100), (217, 8382400), (224, 8120450), (248, 7334600), (260, 6996080), (280, 6496360), (310, 5867680), (320, 5684315), (325, 5596864), (338, 5381600), (350, 5197088), (364, 4997200), (400, 4547452), (403, 4513600), (416, 4372550), (434, 4191200), (448, 4060225), (455, 3997760), (496, 3667300), (520, 3498040), (560, 3248180), (620, 2933840), (650, 2798432), (676, 2690800), (700, 2598544), (728, 2498600), (775, 2347072), (800, 2273726), (806, 2256800), (832, 2186275), (845, 2152640), (868, 2095600), (910, 1998880), (961, 1892800), (992, 1833650), (1040, 1749020), (1085, 1676480), (1120, 1624090), (1183, 1537600), (1240, 1466920), (1300, 1399216), (1352, 1345400), (1400, 1299272), (1456, 1249300), (1550, 1173536), (1600, 1136863), (1612, 1128400), (1690, 1076320), (1736, 1047800), (1820, 999440), (1922, 946400), (1984, 916825), (2015, 902720), (2080, 874510), (2170, 838240), (2240, 812045), (2275, 799552), (2366, 768800), (2480, 733460), (2600, 699608), (2704, 672700), (2800, 649636), (2821, 644800), (2912, 624650), (3100, 586768), (3224, 564200), (3380, 538160), (3472, 523900), (3640, 499720), (3844, 473200), (4030, 451360), (4160, 437255), (4225, 430528), (4340, 419120), (4550, 399776), (4732, 384400), (4805, 378560), (4960, 366730), (5200, 349804), (5239, 347200), (5408, 336350), (5425, 335296), (5600, 324818), (5642, 322400), (5824, 312325), (5915, 307520), (6200, 293384), (6448, 282100), (6727, 270400), (6760, 269080), (6944, 261950), (7280, 249860), (7688, 236600), (8060, 225680), (8450, 215264), (8680, 209560), (9100, 199888), (9464, 192200), (9610, 189280), (9920, 183365), (10075, 180544), (10400, 174902), (10478, 173600), (10816, 168175), (10850, 167648), (11200, 162409), (11284, 161200), (11830, 153760), (12400, 146692), (12493, 145600), (12896, 141050), (13454, 135200), (13520, 134540), (13888, 130975), (14105, 128960), (14560, 124930), (15376, 118300), (16120, 112840), (16900, 107632), (17360, 104780), (18200, 99944), (18928, 96100), (19220, 94640), (20150, 90272), (20800, 87451), (20956, 86800), (21700, 83824), (22568, 80600), (23660, 76880), (24025, 75712), (24800, 73346), (24986, 72800), (25792, 70525), (26195, 69440), (26908, 67600), (27040, 67270), (28210, 64480), (29120, 62465), (29575, 61504), (30752, 59150), (32240, 56420), (33635, 54080), (33800, 53816), (34720, 52390), (36400, 49972), (36673, 49600), (37856, 48050), (38440, 47320), (40300, 45136), (41912, 43400)]