163391480

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11909}}^1$

素因数の和:11941

約数の個数: 64

約数和(自身を含む): 428760000

約数和(自身を除く): 265368520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 11909, 13720, 23818, 47636, 59545, 83363, 95272, 119090, 166726, 238180, 333452, 416815, 476360, 583541, 666904, 833630, 1167082, 1667260, 2334164, 2917705, 3334520, 4084787, 4668328, 5835410, 8169574, 11670820, 16339148, 20423935, 23341640, 32678296, 40847870, 81695740, 163391480]

約数ペア:

[(1, 163391480), (2, 81695740), (4, 40847870), (5, 32678296), (7, 23341640), (8, 20423935), (10, 16339148), (14, 11670820), (20, 8169574), (28, 5835410), (35, 4668328), (40, 4084787), (49, 3334520), (56, 2917705), (70, 2334164), (98, 1667260), (140, 1167082), (196, 833630), (245, 666904), (280, 583541), (343, 476360), (392, 416815), (490, 333452), (686, 238180), (980, 166726), (1372, 119090), (1715, 95272), (1960, 83363), (2744, 59545), (3430, 47636), (6860, 23818), (11909, 13720)]