68752840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1213}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 168260400

約数和(自身を除く): 99507560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 436, 520, 545, 872, 1090, 1213, 1417, 2180, 2426, 2834, 4360, 4852, 5668, 6065, 7085, 9704, 11336, 12130, 14170, 15769, 24260, 28340, 31538, 48520, 56680, 63076, 78845, 126152, 132217, 157690, 264434, 315380, 528868, 630760, 661085, 1057736, 1322170, 1718821, 2644340, 3437642, 5288680, 6875284, 8594105, 13750568, 17188210, 34376420, 68752840]

約数ペア:

[(1, 68752840), (2, 34376420), (4, 17188210), (5, 13750568), (8, 8594105), (10, 6875284), (13, 5288680), (20, 3437642), (26, 2644340), (40, 1718821), (52, 1322170), (65, 1057736), (104, 661085), (109, 630760), (130, 528868), (218, 315380), (260, 264434), (436, 157690), (520, 132217), (545, 126152), (872, 78845), (1090, 63076), (1213, 56680), (1417, 48520), (2180, 31538), (2426, 28340), (2834, 24260), (4360, 15769), (4852, 14170), (5668, 12130), (6065, 11336), (7085, 9704)]