7248280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 17962560

約数和(自身を除く): 10714280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 263, 265, 424, 520, 526, 530, 689, 1052, 1060, 1315, 1378, 2104, 2120, 2630, 2756, 3419, 3445, 5260, 5512, 6838, 6890, 10520, 13676, 13780, 13939, 17095, 27352, 27560, 27878, 34190, 55756, 68380, 69695, 111512, 136760, 139390, 181207, 278780, 362414, 557560, 724828, 906035, 1449656, 1812070, 3624140, 7248280]

約数ペア:

[(1, 7248280), (2, 3624140), (4, 1812070), (5, 1449656), (8, 906035), (10, 724828), (13, 557560), (20, 362414), (26, 278780), (40, 181207), (52, 139390), (53, 136760), (65, 111512), (104, 69695), (106, 68380), (130, 55756), (212, 34190), (260, 27878), (263, 27560), (265, 27352), (424, 17095), (520, 13939), (526, 13780), (530, 13676), (689, 10520), (1052, 6890), (1060, 6838), (1315, 5512), (1378, 5260), (2104, 3445), (2120, 3419), (2630, 2756)]