215445510

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1217}}^1$

素因数の和:1518

約数の個数: 96

約数和(自身を含む): 642987072

約数和(自身を除く): 427541562

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 281, 315, 562, 630, 843, 1217, 1405, 1686, 1967, 2434, 2529, 2810, 3651, 3934, 4215, 5058, 5901, 6085, 7302, 8430, 8519, 9835, 10953, 11802, 12170, 12645, 17038, 17703, 18255, 19670, 21906, 25290, 25557, 29505, 35406, 36510, 42595, 51114, 54765, 59010, 76671, 85190, 88515, 109530, 127785, 153342, 177030, 255570, 341977, 383355, 683954, 766710, 1025931, 1709885, 2051862, 2393839, 3077793, 3419770, 4787678, 5129655, 6155586, 7181517, 10259310, 11969195, 14363034, 15388965, 21544551, 23938390, 30777930, 35907585, 43089102, 71815170, 107722755, 215445510]

約数ペア:

[(1, 215445510), (2, 107722755), (3, 71815170), (5, 43089102), (6, 35907585), (7, 30777930), (9, 23938390), (10, 21544551), (14, 15388965), (15, 14363034), (18, 11969195), (21, 10259310), (30, 7181517), (35, 6155586), (42, 5129655), (45, 4787678), (63, 3419770), (70, 3077793), (90, 2393839), (105, 2051862), (126, 1709885), (210, 1025931), (281, 766710), (315, 683954), (562, 383355), (630, 341977), (843, 255570), (1217, 177030), (1405, 153342), (1686, 127785), (1967, 109530), (2434, 88515), (2529, 85190), (2810, 76671), (3651, 59010), (3934, 54765), (4215, 51114), (5058, 42595), (5901, 36510), (6085, 35406), (7302, 29505), (8430, 25557), (8519, 25290), (9835, 21906), (10953, 19670), (11802, 18255), (12170, 17703), (12645, 17038)]