128721816

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 361311600

約数和(自身を除く): 232589784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 211, 222, 229, 296, 333, 422, 444, 458, 633, 666, 687, 844, 888, 916, 1266, 1332, 1374, 1688, 1832, 1899, 2061, 2532, 2664, 2748, 3798, 4122, 5064, 5496, 7596, 7807, 8244, 8473, 15192, 15614, 16488, 16946, 23421, 25419, 31228, 33892, 46842, 48319, 50838, 62456, 67784, 70263, 76257, 93684, 96638, 101676, 140526, 144957, 152514, 187368, 193276, 203352, 281052, 289914, 305028, 386552, 434871, 562104, 579828, 610056, 869742, 1159656, 1739484, 1787803, 3478968, 3575606, 5363409, 7151212, 10726818, 14302424, 16090227, 21453636, 32180454, 42907272, 64360908, 128721816]

約数ペア:

[(1, 128721816), (2, 64360908), (3, 42907272), (4, 32180454), (6, 21453636), (8, 16090227), (9, 14302424), (12, 10726818), (18, 7151212), (24, 5363409), (36, 3575606), (37, 3478968), (72, 1787803), (74, 1739484), (111, 1159656), (148, 869742), (211, 610056), (222, 579828), (229, 562104), (296, 434871), (333, 386552), (422, 305028), (444, 289914), (458, 281052), (633, 203352), (666, 193276), (687, 187368), (844, 152514), (888, 144957), (916, 140526), (1266, 101676), (1332, 96638), (1374, 93684), (1688, 76257), (1832, 70263), (1899, 67784), (2061, 62456), (2532, 50838), (2664, 48319), (2748, 46842), (3798, 33892), (4122, 31228), (5064, 25419), (5496, 23421), (7596, 16946), (7807, 16488), (8244, 15614), (8473, 15192)]