72676880

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:664

約数の個数: 80

約数和(自身を含む): 177887424

約数和(自身を除く): 105210544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 185, 215, 296, 344, 370, 430, 571, 592, 688, 740, 860, 1142, 1480, 1591, 1720, 2284, 2855, 2960, 3182, 3440, 4568, 5710, 6364, 7955, 9136, 11420, 12728, 15910, 21127, 22840, 24553, 25456, 31820, 42254, 45680, 49106, 63640, 84508, 98212, 105635, 122765, 127280, 169016, 196424, 211270, 245530, 338032, 392848, 422540, 491060, 845080, 908461, 982120, 1690160, 1816922, 1964240, 3633844, 4542305, 7267688, 9084610, 14535376, 18169220, 36338440, 72676880]

約数ペア:

[(1, 72676880), (2, 36338440), (4, 18169220), (5, 14535376), (8, 9084610), (10, 7267688), (16, 4542305), (20, 3633844), (37, 1964240), (40, 1816922), (43, 1690160), (74, 982120), (80, 908461), (86, 845080), (148, 491060), (172, 422540), (185, 392848), (215, 338032), (296, 245530), (344, 211270), (370, 196424), (430, 169016), (571, 127280), (592, 122765), (688, 105635), (740, 98212), (860, 84508), (1142, 63640), (1480, 49106), (1591, 45680), (1720, 42254), (2284, 31820), (2855, 25456), (2960, 24553), (3182, 22840), (3440, 21127), (4568, 15910), (5710, 12728), (6364, 11420), (7955, 9136)]