207730620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{18919}}^1$

素因数の和:18995

約数の個数: 72

約数和(自身を含む): 640479840

約数和(自身を除く): 432749220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 18919, 37838, 56757, 75676, 94595, 113514, 170271, 189190, 227028, 283785, 340542, 378380, 567570, 681084, 851355, 1135140, 1154059, 1702710, 2308118, 3405420, 3462177, 4616236, 5770295, 6924354, 10386531, 11540590, 13848708, 17310885, 20773062, 23081180, 34621770, 41546124, 51932655, 69243540, 103865310, 207730620]

約数ペア:

[(1, 207730620), (2, 103865310), (3, 69243540), (4, 51932655), (5, 41546124), (6, 34621770), (9, 23081180), (10, 20773062), (12, 17310885), (15, 13848708), (18, 11540590), (20, 10386531), (30, 6924354), (36, 5770295), (45, 4616236), (60, 3462177), (61, 3405420), (90, 2308118), (122, 1702710), (180, 1154059), (183, 1135140), (244, 851355), (305, 681084), (366, 567570), (549, 378380), (610, 340542), (732, 283785), (915, 227028), (1098, 189190), (1220, 170271), (1830, 113514), (2196, 94595), (2745, 75676), (3660, 56757), (5490, 37838), (10980, 18919)]