868920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 2812320

約数和(自身を除く): 1943400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 557, 780, 1114, 1560, 1671, 2228, 2785, 3342, 4456, 5570, 6684, 7241, 8355, 11140, 13368, 14482, 16710, 21723, 22280, 28964, 33420, 36205, 43446, 57928, 66840, 72410, 86892, 108615, 144820, 173784, 217230, 289640, 434460, 868920]

約数ペア:

[(1, 868920), (2, 434460), (3, 289640), (4, 217230), (5, 173784), (6, 144820), (8, 108615), (10, 86892), (12, 72410), (13, 66840), (15, 57928), (20, 43446), (24, 36205), (26, 33420), (30, 28964), (39, 22280), (40, 21723), (52, 16710), (60, 14482), (65, 13368), (78, 11140), (104, 8355), (120, 7241), (130, 6684), (156, 5570), (195, 4456), (260, 3342), (312, 2785), (390, 2228), (520, 1671), (557, 1560), (780, 1114)]