217465620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2719}}^1$

素因数の和:2805

約数の個数: 96

約数和(自身を含む): 643399680

約数和(自身を除く): 425934060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 43, 60, 62, 86, 93, 124, 129, 155, 172, 186, 215, 258, 310, 372, 430, 465, 516, 620, 645, 860, 930, 1290, 1333, 1860, 2580, 2666, 2719, 3999, 5332, 5438, 6665, 7998, 8157, 10876, 13330, 13595, 15996, 16314, 19995, 26660, 27190, 32628, 39990, 40785, 54380, 79980, 81570, 84289, 116917, 163140, 168578, 233834, 252867, 337156, 350751, 421445, 467668, 505734, 584585, 701502, 842890, 1011468, 1169170, 1264335, 1403004, 1685780, 1753755, 2338340, 2528670, 3507510, 3624427, 5057340, 7015020, 7248854, 10873281, 14497708, 18122135, 21746562, 36244270, 43493124, 54366405, 72488540, 108732810, 217465620]

約数ペア:

[(1, 217465620), (2, 108732810), (3, 72488540), (4, 54366405), (5, 43493124), (6, 36244270), (10, 21746562), (12, 18122135), (15, 14497708), (20, 10873281), (30, 7248854), (31, 7015020), (43, 5057340), (60, 3624427), (62, 3507510), (86, 2528670), (93, 2338340), (124, 1753755), (129, 1685780), (155, 1403004), (172, 1264335), (186, 1169170), (215, 1011468), (258, 842890), (310, 701502), (372, 584585), (430, 505734), (465, 467668), (516, 421445), (620, 350751), (645, 337156), (860, 252867), (930, 233834), (1290, 168578), (1333, 163140), (1860, 116917), (2580, 84289), (2666, 81570), (2719, 79980), (3999, 54380), (5332, 40785), (5438, 39990), (6665, 32628), (7998, 27190), (8157, 26660), (10876, 19995), (13330, 16314), (13595, 15996)]