402125640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{983}}^1$

素因数の和:1491

約数の個数: 128

約数和(自身を含む): 1382952960

約数和(自身を除く): 980827320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 487, 840, 974, 983, 1461, 1948, 1966, 2435, 2922, 2949, 3409, 3896, 3932, 4870, 4915, 5844, 5898, 6818, 6881, 7305, 7864, 9740, 9830, 10227, 11688, 11796, 13636, 13762, 14610, 14745, 17045, 19480, 19660, 20454, 20643, 23592, 27272, 27524, 29220, 29490, 34090, 34405, 39320, 40908, 41286, 51135, 55048, 58440, 58980, 68180, 68810, 81816, 82572, 102270, 103215, 117960, 136360, 137620, 165144, 204540, 206430, 275240, 409080, 412860, 478721, 825720, 957442, 1436163, 1914884, 2393605, 2872326, 3351047, 3829768, 4787210, 5744652, 6702094, 7180815, 9574420, 10053141, 11489304, 13404188, 14361630, 16755235, 19148840, 20106282, 26808376, 28723260, 33510470, 40212564, 50265705, 57446520, 67020940, 80425128, 100531410, 134041880, 201062820, 402125640]

約数ペア:

[(1, 402125640), (2, 201062820), (3, 134041880), (4, 100531410), (5, 80425128), (6, 67020940), (7, 57446520), (8, 50265705), (10, 40212564), (12, 33510470), (14, 28723260), (15, 26808376), (20, 20106282), (21, 19148840), (24, 16755235), (28, 14361630), (30, 13404188), (35, 11489304), (40, 10053141), (42, 9574420), (56, 7180815), (60, 6702094), (70, 5744652), (84, 4787210), (105, 3829768), (120, 3351047), (140, 2872326), (168, 2393605), (210, 1914884), (280, 1436163), (420, 957442), (487, 825720), (840, 478721), (974, 412860), (983, 409080), (1461, 275240), (1948, 206430), (1966, 204540), (2435, 165144), (2922, 137620), (2949, 136360), (3409, 117960), (3896, 103215), (3932, 102270), (4870, 82572), (4915, 81816), (5844, 68810), (5898, 68180), (6818, 58980), (6881, 58440), (7305, 55048), (7864, 51135), (9740, 41286), (9830, 40908), (10227, 39320), (11688, 34405), (11796, 34090), (13636, 29490), (13762, 29220), (14610, 27524), (14745, 27272), (17045, 23592), (19480, 20643), (19660, 20454)]