7557680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 80

約数和(自身を含む): 19477920

約数和(自身を除く): 11920240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 169, 172, 208, 215, 260, 338, 344, 430, 520, 559, 676, 688, 845, 860, 1040, 1118, 1352, 1690, 1720, 2197, 2236, 2704, 2795, 3380, 3440, 4394, 4472, 5590, 6760, 7267, 8788, 8944, 10985, 11180, 13520, 14534, 17576, 21970, 22360, 29068, 35152, 36335, 43940, 44720, 58136, 72670, 87880, 94471, 116272, 145340, 175760, 188942, 290680, 377884, 472355, 581360, 755768, 944710, 1511536, 1889420, 3778840, 7557680]

約数ペア:

[(1, 7557680), (2, 3778840), (4, 1889420), (5, 1511536), (8, 944710), (10, 755768), (13, 581360), (16, 472355), (20, 377884), (26, 290680), (40, 188942), (43, 175760), (52, 145340), (65, 116272), (80, 94471), (86, 87880), (104, 72670), (130, 58136), (169, 44720), (172, 43940), (208, 36335), (215, 35152), (260, 29068), (338, 22360), (344, 21970), (430, 17576), (520, 14534), (559, 13520), (676, 11180), (688, 10985), (845, 8944), (860, 8788), (1040, 7267), (1118, 6760), (1352, 5590), (1690, 4472), (1720, 4394), (2197, 3440), (2236, 3380), (2704, 2795)]