72866320

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 176417280

約数和(自身を除く): 103550960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 103, 148, 185, 206, 239, 296, 370, 412, 478, 515, 592, 740, 824, 956, 1030, 1195, 1480, 1648, 1912, 2060, 2390, 2960, 3811, 3824, 4120, 4780, 7622, 8240, 8843, 9560, 15244, 17686, 19055, 19120, 24617, 30488, 35372, 38110, 44215, 49234, 60976, 70744, 76220, 88430, 98468, 123085, 141488, 152440, 176860, 196936, 246170, 304880, 353720, 393872, 492340, 707440, 910829, 984680, 1821658, 1969360, 3643316, 4554145, 7286632, 9108290, 14573264, 18216580, 36433160, 72866320]

約数ペア:

[(1, 72866320), (2, 36433160), (4, 18216580), (5, 14573264), (8, 9108290), (10, 7286632), (16, 4554145), (20, 3643316), (37, 1969360), (40, 1821658), (74, 984680), (80, 910829), (103, 707440), (148, 492340), (185, 393872), (206, 353720), (239, 304880), (296, 246170), (370, 196936), (412, 176860), (478, 152440), (515, 141488), (592, 123085), (740, 98468), (824, 88430), (956, 76220), (1030, 70744), (1195, 60976), (1480, 49234), (1648, 44215), (1912, 38110), (2060, 35372), (2390, 30488), (2960, 24617), (3811, 19120), (3824, 19055), (4120, 17686), (4780, 15244), (7622, 9560), (8240, 8843)]