128252040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{152681}}^1$

素因数の和:152702

約数の個数: 64

約数和(自身を含む): 439724160

約数和(自身を除く): 311472120

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, 840, 152681, 305362, 458043, 610724, 763405, 916086, 1068767, 1221448, 1526810, 1832172, 2137534, 2290215, 3053620, 3206301, 3664344, 4275068, 4580430, 5343835, 6107240, 6412602, 8550136, 9160860, 10687670, 12825204, 16031505, 18321720, 21375340, 25650408, 32063010, 42750680, 64126020, 128252040]

約数ペア:

[(1, 128252040), (2, 64126020), (3, 42750680), (4, 32063010), (5, 25650408), (6, 21375340), (7, 18321720), (8, 16031505), (10, 12825204), (12, 10687670), (14, 9160860), (15, 8550136), (20, 6412602), (21, 6107240), (24, 5343835), (28, 4580430), (30, 4275068), (35, 3664344), (40, 3206301), (42, 3053620), (56, 2290215), (60, 2137534), (70, 1832172), (84, 1526810), (105, 1221448), (120, 1068767), (140, 916086), (168, 763405), (210, 610724), (280, 458043), (420, 305362), (840, 152681)]