641130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 1824768

約数和(自身を除く): 1183638

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 71, 86, 105, 129, 142, 210, 213, 215, 258, 301, 355, 426, 430, 497, 602, 645, 710, 903, 994, 1065, 1290, 1491, 1505, 1806, 2130, 2485, 2982, 3010, 3053, 4515, 4970, 6106, 7455, 9030, 9159, 14910, 15265, 18318, 21371, 30530, 42742, 45795, 64113, 91590, 106855, 128226, 213710, 320565, 641130]

約数ペア:

[(1, 641130), (2, 320565), (3, 213710), (5, 128226), (6, 106855), (7, 91590), (10, 64113), (14, 45795), (15, 42742), (21, 30530), (30, 21371), (35, 18318), (42, 15265), (43, 14910), (70, 9159), (71, 9030), (86, 7455), (105, 6106), (129, 4970), (142, 4515), (210, 3053), (213, 3010), (215, 2982), (258, 2485), (301, 2130), (355, 1806), (426, 1505), (430, 1491), (497, 1290), (602, 1065), (645, 994), (710, 903)]