128731290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1873}}^1$

素因数の和:1991

約数の個数: 64

約数和(自身を含む): 323827200

約数和(自身を除く): 195095910

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 79, 87, 145, 158, 174, 237, 290, 395, 435, 474, 790, 870, 1185, 1873, 2291, 2370, 3746, 4582, 5619, 6873, 9365, 11238, 11455, 13746, 18730, 22910, 28095, 34365, 54317, 56190, 68730, 108634, 147967, 162951, 271585, 295934, 325902, 443901, 543170, 739835, 814755, 887802, 1479670, 1629510, 2219505, 4291043, 4439010, 8582086, 12873129, 21455215, 25746258, 42910430, 64365645, 128731290]

約数ペア:

[(1, 128731290), (2, 64365645), (3, 42910430), (5, 25746258), (6, 21455215), (10, 12873129), (15, 8582086), (29, 4439010), (30, 4291043), (58, 2219505), (79, 1629510), (87, 1479670), (145, 887802), (158, 814755), (174, 739835), (237, 543170), (290, 443901), (395, 325902), (435, 295934), (474, 271585), (790, 162951), (870, 147967), (1185, 108634), (1873, 68730), (2291, 56190), (2370, 54317), (3746, 34365), (4582, 28095), (5619, 22910), (6873, 18730), (9365, 13746), (11238, 11455)]