1445958280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{20297}}^1$

素因数の和:20458

約数の個数: 64

約数和(自身を含む): 3529416240

約数和(自身を除く): 2083457960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 260, 274, 520, 548, 685, 1096, 1370, 1781, 2740, 3562, 5480, 7124, 8905, 14248, 17810, 20297, 35620, 40594, 71240, 81188, 101485, 162376, 202970, 263861, 405940, 527722, 811880, 1055444, 1319305, 2110888, 2638610, 2780689, 5277220, 5561378, 10554440, 11122756, 13903445, 22245512, 27806890, 36148957, 55613780, 72297914, 111227560, 144595828, 180744785, 289191656, 361489570, 722979140, 1445958280]

約数ペア:

[(1, 1445958280), (2, 722979140), (4, 361489570), (5, 289191656), (8, 180744785), (10, 144595828), (13, 111227560), (20, 72297914), (26, 55613780), (40, 36148957), (52, 27806890), (65, 22245512), (104, 13903445), (130, 11122756), (137, 10554440), (260, 5561378), (274, 5277220), (520, 2780689), (548, 2638610), (685, 2110888), (1096, 1319305), (1370, 1055444), (1781, 811880), (2740, 527722), (3562, 405940), (5480, 263861), (7124, 202970), (8905, 162376), (14248, 101485), (17810, 81188), (20297, 71240), (35620, 40594)]