1651480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 4082400

約数和(自身を除く): 2430920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 53, 76, 82, 95, 106, 152, 164, 190, 205, 212, 265, 328, 380, 410, 424, 530, 760, 779, 820, 1007, 1060, 1558, 1640, 2014, 2120, 2173, 3116, 3895, 4028, 4346, 5035, 6232, 7790, 8056, 8692, 10070, 10865, 15580, 17384, 20140, 21730, 31160, 40280, 41287, 43460, 82574, 86920, 165148, 206435, 330296, 412870, 825740, 1651480]

約数ペア:

[(1, 1651480), (2, 825740), (4, 412870), (5, 330296), (8, 206435), (10, 165148), (19, 86920), (20, 82574), (38, 43460), (40, 41287), (41, 40280), (53, 31160), (76, 21730), (82, 20140), (95, 17384), (106, 15580), (152, 10865), (164, 10070), (190, 8692), (205, 8056), (212, 7790), (265, 6232), (328, 5035), (380, 4346), (410, 4028), (424, 3895), (530, 3116), (760, 2173), (779, 2120), (820, 2014), (1007, 1640), (1060, 1558)]