20915692560

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{44623}}^1$

素因数の和:44683

約数の個数: 320

約数和(自身を含む): 84992655360

約数和(自身を除く): 64076962800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 48, 54, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 108, 112, 120, 124, 126, 135, 140, 144, 155, 168, 180, 186, 189, 210, 216, 217, 240, 248, 252, 270, 279, 280, 310, 315, 336, 360, 372, 378, 420, 432, 434, 465, 496, 504, 540, 558, 560, 620, 630, 651, 720, 744, 756, 837, 840, 868, 930, 945, 1008, 1080, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1512, 1674, 1680, 1736, 1860, 1890, 1953, 2160, 2170, 2232, 2480, 2520, 2604, 2790, 3024, 3255, 3348, 3472, 3720, 3780, 3906, 4185, 4340, 4464, 5040, 5208, 5580, 5859, 6510, 6696, 7440, 7560, 7812, 8370, 8680, 9765, 10416, 11160, 11718, 13020, 13392, 15120, 15624, 16740, 17360, 19530, 22320, 23436, 26040, 29295, 31248, 33480, 39060, 44623, 46872, 52080, 58590, 66960, 78120, 89246, 93744, 117180, 133869, 156240, 178492, 223115, 234360, 267738, 312361, 356984, 401607, 446230, 468720, 535476, 624722, 669345, 713968, 803214, 892460, 937083, 1070952, 1204821, 1249444, 1338690, 1383313, 1561805, 1606428, 1784920, 1874166, 2008035, 2141904, 2409642, 2498888, 2677380, 2766626, 2811249, 3123610, 3212856, 3569840, 3748332, 4016070, 4149939, 4685415, 4819284, 4997776, 5354760, 5533252, 5622498, 6024105, 6247220, 6425712, 6916565, 7496664, 8032140, 8299878, 8433747, 9370830, 9638568, 9683191, 10709520, 11066504, 11244996, 12048210, 12449817, 12494440, 13833130, 14056245, 14993328, 16064280, 16599756, 16867494, 18741660, 19277136, 19366382, 20749695, 22133008, 22489992, 24096420, 24899634, 24988880, 27666260, 28112490, 29049573, 32128560, 33199512, 33734988, 37349451, 37483320, 38732764, 41499390, 42168735, 44979984, 48192840, 48415955, 49799268, 55332520, 56224980, 58099146, 62249085, 66399024, 67469976, 74698902, 74966640, 77465528, 82998780, 84337470, 87148719, 96385680, 96831910, 99598536, 110665040, 112449960, 116198292, 124498170, 134939952, 145247865, 149397804, 154931056, 165997560, 168674940, 174297438, 186747255, 193663820, 199197072, 224899920, 232396584, 248996340, 261446157, 290495730, 298795608, 331995120, 337349880, 348594876, 373494510, 387327640, 435743595, 464793168, 497992680, 522892314, 580991460, 597591216, 674699760, 697189752, 746989020, 774655280, 871487190, 995985360, 1045784628, 1161982920, 1307230785, 1394379504, 1493978040, 1742974380, 2091569256, 2323965840, 2614461570, 2987956080, 3485948760, 4183138512, 5228923140, 6971897520, 10457846280, 20915692560]

約数ペア:

[(1, 20915692560), (2, 10457846280), (3, 6971897520), (4, 5228923140), (5, 4183138512), (6, 3485948760), (7, 2987956080), (8, 2614461570), (9, 2323965840), (10, 2091569256), (12, 1742974380), (14, 1493978040), (15, 1394379504), (16, 1307230785), (18, 1161982920), (20, 1045784628), (21, 995985360), (24, 871487190), (27, 774655280), (28, 746989020), (30, 697189752), (31, 674699760), (35, 597591216), (36, 580991460), (40, 522892314), (42, 497992680), (45, 464793168), (48, 435743595), (54, 387327640), (56, 373494510), (60, 348594876), (62, 337349880), (63, 331995120), (70, 298795608), (72, 290495730), (80, 261446157), (84, 248996340), (90, 232396584), (93, 224899920), (105, 199197072), (108, 193663820), (112, 186747255), (120, 174297438), (124, 168674940), (126, 165997560), (135, 154931056), (140, 149397804), (144, 145247865), (155, 134939952), (168, 124498170), (180, 116198292), (186, 112449960), (189, 110665040), (210, 99598536), (216, 96831910), (217, 96385680), (240, 87148719), (248, 84337470), (252, 82998780), (270, 77465528), (279, 74966640), (280, 74698902), (310, 67469976), (315, 66399024), (336, 62249085), (360, 58099146), (372, 56224980), (378, 55332520), (420, 49799268), (432, 48415955), (434, 48192840), (465, 44979984), (496, 42168735), (504, 41499390), (540, 38732764), (558, 37483320), (560, 37349451), (620, 33734988), (630, 33199512), (651, 32128560), (720, 29049573), (744, 28112490), (756, 27666260), (837, 24988880), (840, 24899634), (868, 24096420), (930, 22489992), (945, 22133008), (1008, 20749695), (1080, 19366382), (1085, 19277136), (1116, 18741660), (1240, 16867494), (1260, 16599756), (1302, 16064280), (1395, 14993328), (1488, 14056245), (1512, 13833130), (1674, 12494440), (1680, 12449817), (1736, 12048210), (1860, 11244996), (1890, 11066504), (1953, 10709520), (2160, 9683191), (2170, 9638568), (2232, 9370830), (2480, 8433747), (2520, 8299878), (2604, 8032140), (2790, 7496664), (3024, 6916565), (3255, 6425712), (3348, 6247220), (3472, 6024105), (3720, 5622498), (3780, 5533252), (3906, 5354760), (4185, 4997776), (4340, 4819284), (4464, 4685415), (5040, 4149939), (5208, 4016070), (5580, 3748332), (5859, 3569840), (6510, 3212856), (6696, 3123610), (7440, 2811249), (7560, 2766626), (7812, 2677380), (8370, 2498888), (8680, 2409642), (9765, 2141904), (10416, 2008035), (11160, 1874166), (11718, 1784920), (13020, 1606428), (13392, 1561805), (15120, 1383313), (15624, 1338690), (16740, 1249444), (17360, 1204821), (19530, 1070952), (22320, 937083), (23436, 892460), (26040, 803214), (29295, 713968), (31248, 669345), (33480, 624722), (39060, 535476), (44623, 468720), (46872, 446230), (52080, 401607), (58590, 356984), (66960, 312361), (78120, 267738), (89246, 234360), (93744, 223115), (117180, 178492), (133869, 156240)]