81302616

素因数分解:

$2^3\times 3^4\times {\mathrm{37}}^1\times {\mathrm{3391}}^1$

素因数の和:3446

約数の個数: 80

約数和(自身を含む): 233946240

約数和(自身を除く): 152643624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 81, 108, 111, 148, 162, 216, 222, 296, 324, 333, 444, 648, 666, 888, 999, 1332, 1998, 2664, 2997, 3391, 3996, 5994, 6782, 7992, 10173, 11988, 13564, 20346, 23976, 27128, 30519, 40692, 61038, 81384, 91557, 122076, 125467, 183114, 244152, 250934, 274671, 366228, 376401, 501868, 549342, 732456, 752802, 1003736, 1098684, 1129203, 1505604, 2197368, 2258406, 3011208, 3387609, 4516812, 6775218, 9033624, 10162827, 13550436, 20325654, 27100872, 40651308, 81302616]

約数ペア:

[(1, 81302616), (2, 40651308), (3, 27100872), (4, 20325654), (6, 13550436), (8, 10162827), (9, 9033624), (12, 6775218), (18, 4516812), (24, 3387609), (27, 3011208), (36, 2258406), (37, 2197368), (54, 1505604), (72, 1129203), (74, 1098684), (81, 1003736), (108, 752802), (111, 732456), (148, 549342), (162, 501868), (216, 376401), (222, 366228), (296, 274671), (324, 250934), (333, 244152), (444, 183114), (648, 125467), (666, 122076), (888, 91557), (999, 81384), (1332, 61038), (1998, 40692), (2664, 30519), (2997, 27128), (3391, 23976), (3996, 20346), (5994, 13564), (6782, 11988), (7992, 10173)]