72627320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 167961600

約数和(自身を除く): 95334280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 107, 142, 214, 239, 284, 355, 428, 478, 535, 568, 710, 856, 956, 1070, 1195, 1420, 1912, 2140, 2390, 2840, 4280, 4780, 7597, 9560, 15194, 16969, 25573, 30388, 33938, 37985, 51146, 60776, 67876, 75970, 84845, 102292, 127865, 135752, 151940, 169690, 204584, 255730, 303880, 339380, 511460, 678760, 1022920, 1815683, 3631366, 7262732, 9078415, 14525464, 18156830, 36313660, 72627320]

約数ペア:

[(1, 72627320), (2, 36313660), (4, 18156830), (5, 14525464), (8, 9078415), (10, 7262732), (20, 3631366), (40, 1815683), (71, 1022920), (107, 678760), (142, 511460), (214, 339380), (239, 303880), (284, 255730), (355, 204584), (428, 169690), (478, 151940), (535, 135752), (568, 127865), (710, 102292), (856, 84845), (956, 75970), (1070, 67876), (1195, 60776), (1420, 51146), (1912, 37985), (2140, 33938), (2390, 30388), (2840, 25573), (4280, 16969), (4780, 15194), (7597, 9560)]