180752390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{647}}^1$

素因数の和:981

約数の個数: 64

約数和(自身を含む): 402361344

約数和(自身を除く): 221608954

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 307, 455, 614, 647, 910, 1294, 1535, 2149, 3070, 3235, 3991, 4298, 4529, 6470, 7982, 8411, 9058, 10745, 16822, 19955, 21490, 22645, 27937, 39910, 42055, 45290, 55874, 58877, 84110, 117754, 139685, 198629, 279370, 294385, 397258, 588770, 993145, 1390403, 1986290, 2582177, 2780806, 5164354, 6952015, 12910885, 13904030, 18075239, 25821770, 36150478, 90376195, 180752390]

約数ペア:

[(1, 180752390), (2, 90376195), (5, 36150478), (7, 25821770), (10, 18075239), (13, 13904030), (14, 12910885), (26, 6952015), (35, 5164354), (65, 2780806), (70, 2582177), (91, 1986290), (130, 1390403), (182, 993145), (307, 588770), (455, 397258), (614, 294385), (647, 279370), (910, 198629), (1294, 139685), (1535, 117754), (2149, 84110), (3070, 58877), (3235, 55874), (3991, 45290), (4298, 42055), (4529, 39910), (6470, 27937), (7982, 22645), (8411, 21490), (9058, 19955), (10745, 16822)]