8307560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 20865600

約数和(自身を除く): 12558040

約数列:

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

約数ペア:

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