68943380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:981

約数の個数: 72

約数和(自身を含む): 164451840

約数和(自身を除く): 95508460

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, 919, 1210, 1364, 1705, 1838, 2420, 3410, 3676, 3751, 4595, 6820, 7502, 9190, 10109, 15004, 18380, 18755, 20218, 28489, 37510, 40436, 50545, 56978, 75020, 101090, 111199, 113956, 142445, 202180, 222398, 284890, 313379, 444796, 555995, 569780, 626758, 1111990, 1253516, 1566895, 2223980, 3133790, 3447169, 6267580, 6894338, 13788676, 17235845, 34471690, 68943380]

約数ペア:

[(1, 68943380), (2, 34471690), (4, 17235845), (5, 13788676), (10, 6894338), (11, 6267580), (20, 3447169), (22, 3133790), (31, 2223980), (44, 1566895), (55, 1253516), (62, 1111990), (110, 626758), (121, 569780), (124, 555995), (155, 444796), (220, 313379), (242, 284890), (310, 222398), (341, 202180), (484, 142445), (605, 113956), (620, 111199), (682, 101090), (919, 75020), (1210, 56978), (1364, 50545), (1705, 40436), (1838, 37510), (2420, 28489), (3410, 20218), (3676, 18755), (3751, 18380), (4595, 15004), (6820, 10109), (7502, 9190)]