157105780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{877}}^1$

素因数の和:965

約数の個数: 72

約数和(自身を含む): 364408632

約数和(自身を除く): 207302852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 169, 212, 260, 265, 338, 530, 676, 689, 845, 877, 1060, 1378, 1690, 1754, 2756, 3380, 3445, 3508, 4385, 6890, 8770, 8957, 11401, 13780, 17540, 17914, 22802, 35828, 44785, 45604, 46481, 57005, 89570, 92962, 114010, 148213, 179140, 185924, 228020, 232405, 296426, 464810, 592852, 604253, 741065, 929620, 1208506, 1482130, 2417012, 2964260, 3021265, 6042530, 7855289, 12085060, 15710578, 31421156, 39276445, 78552890, 157105780]

約数ペア:

[(1, 157105780), (2, 78552890), (4, 39276445), (5, 31421156), (10, 15710578), (13, 12085060), (20, 7855289), (26, 6042530), (52, 3021265), (53, 2964260), (65, 2417012), (106, 1482130), (130, 1208506), (169, 929620), (212, 741065), (260, 604253), (265, 592852), (338, 464810), (530, 296426), (676, 232405), (689, 228020), (845, 185924), (877, 179140), (1060, 148213), (1378, 114010), (1690, 92962), (1754, 89570), (2756, 57005), (3380, 46481), (3445, 45604), (3508, 44785), (4385, 35828), (6890, 22802), (8770, 17914), (8957, 17540), (11401, 13780)]