30971080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2087}}^1$

素因数の和:2158

約数の個数: 64

約数和(自身を含む): 81181440

約数和(自身を除く): 50210360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2087, 2120, 2968, 3710, 4174, 7420, 8348, 10435, 14609, 14840, 16696, 20870, 29218, 41740, 58436, 73045, 83480, 110611, 116872, 146090, 221222, 292180, 442444, 553055, 584360, 774277, 884888, 1106110, 1548554, 2212220, 3097108, 3871385, 4424440, 6194216, 7742770, 15485540, 30971080]

約数ペア:

[(1, 30971080), (2, 15485540), (4, 7742770), (5, 6194216), (7, 4424440), (8, 3871385), (10, 3097108), (14, 2212220), (20, 1548554), (28, 1106110), (35, 884888), (40, 774277), (53, 584360), (56, 553055), (70, 442444), (106, 292180), (140, 221222), (212, 146090), (265, 116872), (280, 110611), (371, 83480), (424, 73045), (530, 58436), (742, 41740), (1060, 29218), (1484, 20870), (1855, 16696), (2087, 14840), (2120, 14609), (2968, 10435), (3710, 8348), (4174, 7420)]