15702978680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{156967}}^1$

素因数の和:157080

約数の個数: 64

約数和(自身を含む): 36787020480

約数和(自身を除く): 21084041800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 122, 164, 205, 244, 305, 328, 410, 488, 610, 820, 1220, 1640, 2440, 2501, 5002, 10004, 12505, 20008, 25010, 50020, 100040, 156967, 313934, 627868, 784835, 1255736, 1569670, 3139340, 6278680, 6435647, 9574987, 12871294, 19149974, 25742588, 32178235, 38299948, 47874935, 51485176, 64356470, 76599896, 95749870, 128712940, 191499740, 257425880, 382999480, 392574467, 785148934, 1570297868, 1962872335, 3140595736, 3925744670, 7851489340, 15702978680]

約数ペア:

[(1, 15702978680), (2, 7851489340), (4, 3925744670), (5, 3140595736), (8, 1962872335), (10, 1570297868), (20, 785148934), (40, 392574467), (41, 382999480), (61, 257425880), (82, 191499740), (122, 128712940), (164, 95749870), (205, 76599896), (244, 64356470), (305, 51485176), (328, 47874935), (410, 38299948), (488, 32178235), (610, 25742588), (820, 19149974), (1220, 12871294), (1640, 9574987), (2440, 6435647), (2501, 6278680), (5002, 3139340), (10004, 1569670), (12505, 1255736), (20008, 784835), (25010, 627868), (50020, 313934), (100040, 156967)]