281560290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1619}}^1$

素因数の和:1688

約数の個数: 128

約数和(自身を含む): 806215680

約数和(自身を除く): 524655390

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 30, 31, 33, 34, 51, 55, 62, 66, 85, 93, 102, 110, 155, 165, 170, 186, 187, 255, 310, 330, 341, 374, 465, 510, 527, 561, 682, 930, 935, 1023, 1054, 1122, 1581, 1619, 1705, 1870, 2046, 2635, 2805, 3162, 3238, 3410, 4857, 5115, 5270, 5610, 5797, 7905, 8095, 9714, 10230, 11594, 15810, 16190, 17391, 17809, 24285, 27523, 28985, 34782, 35618, 48570, 50189, 53427, 55046, 57970, 82569, 86955, 89045, 100378, 106854, 137615, 150567, 165138, 173910, 178090, 250945, 267135, 275230, 301134, 302753, 412845, 501890, 534270, 552079, 605506, 752835, 825690, 853213, 908259, 1104158, 1505670, 1513765, 1656237, 1706426, 1816518, 2559639, 2760395, 3027530, 3312474, 4266065, 4541295, 5119278, 5520790, 8281185, 8532130, 9082590, 9385343, 12798195, 16562370, 18770686, 25596390, 28156029, 46926715, 56312058, 93853430, 140780145, 281560290]

約数ペア:

[(1, 281560290), (2, 140780145), (3, 93853430), (5, 56312058), (6, 46926715), (10, 28156029), (11, 25596390), (15, 18770686), (17, 16562370), (22, 12798195), (30, 9385343), (31, 9082590), (33, 8532130), (34, 8281185), (51, 5520790), (55, 5119278), (62, 4541295), (66, 4266065), (85, 3312474), (93, 3027530), (102, 2760395), (110, 2559639), (155, 1816518), (165, 1706426), (170, 1656237), (186, 1513765), (187, 1505670), (255, 1104158), (310, 908259), (330, 853213), (341, 825690), (374, 752835), (465, 605506), (510, 552079), (527, 534270), (561, 501890), (682, 412845), (930, 302753), (935, 301134), (1023, 275230), (1054, 267135), (1122, 250945), (1581, 178090), (1619, 173910), (1705, 165138), (1870, 150567), (2046, 137615), (2635, 106854), (2805, 100378), (3162, 89045), (3238, 86955), (3410, 82569), (4857, 57970), (5115, 55046), (5270, 53427), (5610, 50189), (5797, 48570), (7905, 35618), (8095, 34782), (9714, 28985), (10230, 27523), (11594, 24285), (15810, 17809), (16190, 17391)]