905175180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{757}}^1$

素因数の和:865

約数の個数: 288

約数和(自身を含む): 3430137984

約数和(自身を除く): 2524962804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 73, 78, 84, 90, 91, 105, 117, 126, 130, 140, 146, 156, 180, 182, 195, 210, 219, 234, 252, 260, 273, 292, 315, 364, 365, 390, 420, 438, 455, 468, 511, 546, 585, 630, 657, 730, 757, 780, 819, 876, 910, 949, 1022, 1092, 1095, 1170, 1260, 1314, 1365, 1460, 1514, 1533, 1638, 1820, 1898, 2044, 2190, 2271, 2340, 2555, 2628, 2730, 2847, 3028, 3066, 3276, 3285, 3785, 3796, 4095, 4380, 4542, 4599, 4745, 5110, 5299, 5460, 5694, 6132, 6570, 6643, 6813, 7570, 7665, 8190, 8541, 9084, 9198, 9490, 9841, 10220, 10598, 11355, 11388, 13140, 13286, 13626, 14235, 15140, 15330, 15897, 16380, 17082, 18396, 18980, 19682, 19929, 21196, 22710, 22995, 26495, 26572, 27252, 28470, 29523, 30660, 31794, 33215, 34065, 34164, 39364, 39858, 42705, 45420, 45990, 47691, 49205, 52990, 55261, 56940, 59046, 59787, 63588, 66430, 68130, 68887, 79485, 79716, 85410, 88569, 91980, 95382, 98410, 99645, 105980, 110522, 118092, 119574, 132860, 136260, 137774, 147615, 158970, 165783, 170820, 177138, 190764, 196820, 199290, 206661, 221044, 238455, 239148, 275548, 276305, 295230, 298935, 317940, 331566, 344435, 354276, 386827, 398580, 413322, 442845, 476910, 497349, 552610, 590460, 597870, 619983, 663132, 688870, 718393, 773654, 826644, 828915, 885690, 953820, 994698, 1033305, 1105220, 1160481, 1195740, 1239966, 1377740, 1436786, 1547308, 1657830, 1771380, 1934135, 1989396, 2066610, 2155179, 2320962, 2479932, 2486745, 2873572, 3099915, 3315660, 3481443, 3591965, 3868270, 4133220, 4310358, 4641924, 4973490, 5028751, 5802405, 6199830, 6465537, 6962886, 7183930, 7736540, 8620716, 9946980, 10057502, 10775895, 11604810, 12399660, 12931074, 13925772, 14367860, 15086253, 17407215, 20115004, 21551790, 23209620, 25143755, 25862148, 30172506, 32327685, 34814430, 43103580, 45258759, 50287510, 60345012, 64655370, 69628860, 75431265, 90517518, 100575020, 129310740, 150862530, 181035036, 226293795, 301725060, 452587590, 905175180]

約数ペア:

[(1, 905175180), (2, 452587590), (3, 301725060), (4, 226293795), (5, 181035036), (6, 150862530), (7, 129310740), (9, 100575020), (10, 90517518), (12, 75431265), (13, 69628860), (14, 64655370), (15, 60345012), (18, 50287510), (20, 45258759), (21, 43103580), (26, 34814430), (28, 32327685), (30, 30172506), (35, 25862148), (36, 25143755), (39, 23209620), (42, 21551790), (45, 20115004), (52, 17407215), (60, 15086253), (63, 14367860), (65, 13925772), (70, 12931074), (73, 12399660), (78, 11604810), (84, 10775895), (90, 10057502), (91, 9946980), (105, 8620716), (117, 7736540), (126, 7183930), (130, 6962886), (140, 6465537), (146, 6199830), (156, 5802405), (180, 5028751), (182, 4973490), (195, 4641924), (210, 4310358), (219, 4133220), (234, 3868270), (252, 3591965), (260, 3481443), (273, 3315660), (292, 3099915), (315, 2873572), (364, 2486745), (365, 2479932), (390, 2320962), (420, 2155179), (438, 2066610), (455, 1989396), (468, 1934135), (511, 1771380), (546, 1657830), (585, 1547308), (630, 1436786), (657, 1377740), (730, 1239966), (757, 1195740), (780, 1160481), (819, 1105220), (876, 1033305), (910, 994698), (949, 953820), (1022, 885690), (1092, 828915), (1095, 826644), (1170, 773654), (1260, 718393), (1314, 688870), (1365, 663132), (1460, 619983), (1514, 597870), (1533, 590460), (1638, 552610), (1820, 497349), (1898, 476910), (2044, 442845), (2190, 413322), (2271, 398580), (2340, 386827), (2555, 354276), (2628, 344435), (2730, 331566), (2847, 317940), (3028, 298935), (3066, 295230), (3276, 276305), (3285, 275548), (3785, 239148), (3796, 238455), (4095, 221044), (4380, 206661), (4542, 199290), (4599, 196820), (4745, 190764), (5110, 177138), (5299, 170820), (5460, 165783), (5694, 158970), (6132, 147615), (6570, 137774), (6643, 136260), (6813, 132860), (7570, 119574), (7665, 118092), (8190, 110522), (8541, 105980), (9084, 99645), (9198, 98410), (9490, 95382), (9841, 91980), (10220, 88569), (10598, 85410), (11355, 79716), (11388, 79485), (13140, 68887), (13286, 68130), (13626, 66430), (14235, 63588), (15140, 59787), (15330, 59046), (15897, 56940), (16380, 55261), (17082, 52990), (18396, 49205), (18980, 47691), (19682, 45990), (19929, 45420), (21196, 42705), (22710, 39858), (22995, 39364), (26495, 34164), (26572, 34065), (27252, 33215), (28470, 31794), (29523, 30660)]