15209920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 112

約数和(自身を含む): 41148000

約数和(自身を除く): 25938080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 64, 80, 88, 110, 116, 145, 149, 160, 176, 220, 232, 290, 298, 319, 320, 352, 440, 464, 580, 596, 638, 704, 745, 880, 928, 1160, 1192, 1276, 1490, 1595, 1639, 1760, 1856, 2320, 2384, 2552, 2980, 3190, 3278, 3520, 4321, 4640, 4768, 5104, 5960, 6380, 6556, 8195, 8642, 9280, 9536, 10208, 11920, 12760, 13112, 16390, 17284, 20416, 21605, 23840, 25520, 26224, 32780, 34568, 43210, 47531, 47680, 51040, 52448, 65560, 69136, 86420, 95062, 102080, 104896, 131120, 138272, 172840, 190124, 237655, 262240, 276544, 345680, 380248, 475310, 524480, 691360, 760496, 950620, 1382720, 1520992, 1901240, 3041984, 3802480, 7604960, 15209920]

約数ペア:

[(1, 15209920), (2, 7604960), (4, 3802480), (5, 3041984), (8, 1901240), (10, 1520992), (11, 1382720), (16, 950620), (20, 760496), (22, 691360), (29, 524480), (32, 475310), (40, 380248), (44, 345680), (55, 276544), (58, 262240), (64, 237655), (80, 190124), (88, 172840), (110, 138272), (116, 131120), (145, 104896), (149, 102080), (160, 95062), (176, 86420), (220, 69136), (232, 65560), (290, 52448), (298, 51040), (319, 47680), (320, 47531), (352, 43210), (440, 34568), (464, 32780), (580, 26224), (596, 25520), (638, 23840), (704, 21605), (745, 20416), (880, 17284), (928, 16390), (1160, 13112), (1192, 12760), (1276, 11920), (1490, 10208), (1595, 9536), (1639, 9280), (1760, 8642), (1856, 8195), (2320, 6556), (2384, 6380), (2552, 5960), (2980, 5104), (3190, 4768), (3278, 4640), (3520, 4321)]