177521240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{701}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 431645760

約数和(自身を除く): 254124520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 487, 520, 701, 974, 1402, 1948, 2435, 2804, 3505, 3896, 4870, 5608, 6331, 7010, 9113, 9740, 12662, 14020, 18226, 19480, 25324, 28040, 31655, 36452, 45565, 50648, 63310, 72904, 91130, 126620, 182260, 253240, 341387, 364520, 682774, 1365548, 1706935, 2731096, 3413870, 4438031, 6827740, 8876062, 13655480, 17752124, 22190155, 35504248, 44380310, 88760620, 177521240]

約数ペア:

[(1, 177521240), (2, 88760620), (4, 44380310), (5, 35504248), (8, 22190155), (10, 17752124), (13, 13655480), (20, 8876062), (26, 6827740), (40, 4438031), (52, 3413870), (65, 2731096), (104, 1706935), (130, 1365548), (260, 682774), (487, 364520), (520, 341387), (701, 253240), (974, 182260), (1402, 126620), (1948, 91130), (2435, 72904), (2804, 63310), (3505, 50648), (3896, 45565), (4870, 36452), (5608, 31655), (6331, 28040), (7010, 25324), (9113, 19480), (9740, 18226), (12662, 14020)]