815343720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{28429}}^1$

素因数の和:28682

約数の個数: 64

約数和(自身を含む): 2456352000

約数和(自身を除く): 1641008280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 956, 1195, 1434, 1912, 2390, 2868, 3585, 4780, 5736, 7170, 9560, 14340, 28429, 28680, 56858, 85287, 113716, 142145, 170574, 227432, 284290, 341148, 426435, 568580, 682296, 852870, 1137160, 1705740, 3411480, 6794531, 13589062, 20383593, 27178124, 33972655, 40767186, 54356248, 67945310, 81534372, 101917965, 135890620, 163068744, 203835930, 271781240, 407671860, 815343720]

約数ペア:

[(1, 815343720), (2, 407671860), (3, 271781240), (4, 203835930), (5, 163068744), (6, 135890620), (8, 101917965), (10, 81534372), (12, 67945310), (15, 54356248), (20, 40767186), (24, 33972655), (30, 27178124), (40, 20383593), (60, 13589062), (120, 6794531), (239, 3411480), (478, 1705740), (717, 1137160), (956, 852870), (1195, 682296), (1434, 568580), (1912, 426435), (2390, 341148), (2868, 284290), (3585, 227432), (4780, 170574), (5736, 142145), (7170, 113716), (9560, 85287), (14340, 56858), (28429, 28680)]