121457380

素因数分解:

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

素因数の和:1681

約数の個数: 72

約数和(自身を含む): 289578240

約数和(自身を除く): 168120860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 1210, 1364, 1619, 1705, 2420, 3238, 3410, 3751, 6476, 6820, 7502, 8095, 15004, 16190, 17809, 18755, 32380, 35618, 37510, 50189, 71236, 75020, 89045, 100378, 178090, 195899, 200756, 250945, 356180, 391798, 501890, 552079, 783596, 979495, 1003780, 1104158, 1958990, 2208316, 2760395, 3917980, 5520790, 6072869, 11041580, 12145738, 24291476, 30364345, 60728690, 121457380]

約数ペア:

[(1, 121457380), (2, 60728690), (4, 30364345), (5, 24291476), (10, 12145738), (11, 11041580), (20, 6072869), (22, 5520790), (31, 3917980), (44, 2760395), (55, 2208316), (62, 1958990), (110, 1104158), (121, 1003780), (124, 979495), (155, 783596), (220, 552079), (242, 501890), (310, 391798), (341, 356180), (484, 250945), (605, 200756), (620, 195899), (682, 178090), (1210, 100378), (1364, 89045), (1619, 75020), (1705, 71236), (2420, 50189), (3238, 37510), (3410, 35618), (3751, 32380), (6476, 18755), (6820, 17809), (7502, 16190), (8095, 15004)]