16615120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:692

約数の個数: 80

約数和(自身を含む): 43122240

約数和(自身を除く): 26507120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 643, 646, 680, 760, 1286, 1292, 1360, 1520, 1615, 2572, 2584, 3215, 3230, 5144, 5168, 6430, 6460, 10288, 10931, 12217, 12860, 12920, 21862, 24434, 25720, 25840, 43724, 48868, 51440, 54655, 61085, 87448, 97736, 109310, 122170, 174896, 195472, 207689, 218620, 244340, 415378, 437240, 488680, 830756, 874480, 977360, 1038445, 1661512, 2076890, 3323024, 4153780, 8307560, 16615120]

約数ペア:

[(1, 16615120), (2, 8307560), (4, 4153780), (5, 3323024), (8, 2076890), (10, 1661512), (16, 1038445), (17, 977360), (19, 874480), (20, 830756), (34, 488680), (38, 437240), (40, 415378), (68, 244340), (76, 218620), (80, 207689), (85, 195472), (95, 174896), (136, 122170), (152, 109310), (170, 97736), (190, 87448), (272, 61085), (304, 54655), (323, 51440), (340, 48868), (380, 43724), (643, 25840), (646, 25720), (680, 24434), (760, 21862), (1286, 12920), (1292, 12860), (1360, 12217), (1520, 10931), (1615, 10288), (2572, 6460), (2584, 6430), (3215, 5168), (3230, 5144)]