13007720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 35458560

約数和(自身を除く): 22450840

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 37, 40, 44, 47, 55, 68, 74, 85, 88, 94, 110, 136, 148, 170, 185, 187, 188, 220, 235, 296, 340, 370, 374, 376, 407, 440, 470, 517, 629, 680, 740, 748, 799, 814, 935, 940, 1034, 1258, 1480, 1496, 1598, 1628, 1739, 1870, 1880, 2035, 2068, 2516, 2585, 3145, 3196, 3256, 3478, 3740, 3995, 4070, 4136, 5032, 5170, 6290, 6392, 6919, 6956, 7480, 7990, 8140, 8695, 8789, 10340, 12580, 13838, 13912, 15980, 16280, 17390, 17578, 19129, 20680, 25160, 27676, 29563, 31960, 34595, 34780, 35156, 38258, 43945, 55352, 59126, 69190, 69560, 70312, 76516, 87890, 95645, 118252, 138380, 147815, 153032, 175780, 191290, 236504, 276760, 295630, 325193, 351560, 382580, 591260, 650386, 765160, 1182520, 1300772, 1625965, 2601544, 3251930, 6503860, 13007720]

約数ペア:

[(1, 13007720), (2, 6503860), (4, 3251930), (5, 2601544), (8, 1625965), (10, 1300772), (11, 1182520), (17, 765160), (20, 650386), (22, 591260), (34, 382580), (37, 351560), (40, 325193), (44, 295630), (47, 276760), (55, 236504), (68, 191290), (74, 175780), (85, 153032), (88, 147815), (94, 138380), (110, 118252), (136, 95645), (148, 87890), (170, 76516), (185, 70312), (187, 69560), (188, 69190), (220, 59126), (235, 55352), (296, 43945), (340, 38258), (370, 35156), (374, 34780), (376, 34595), (407, 31960), (440, 29563), (470, 27676), (517, 25160), (629, 20680), (680, 19129), (740, 17578), (748, 17390), (799, 16280), (814, 15980), (935, 13912), (940, 13838), (1034, 12580), (1258, 10340), (1480, 8789), (1496, 8695), (1598, 8140), (1628, 7990), (1739, 7480), (1870, 6956), (1880, 6919), (2035, 6392), (2068, 6290), (2516, 5170), (2585, 5032), (3145, 4136), (3196, 4070), (3256, 3995), (3478, 3740)]