265315960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{72889}}^1$

素因数の和:72920

約数の個数: 64

約数和(自身を含む): 734731200

約数和(自身を除く): 469415240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 72889, 145778, 291556, 364445, 510223, 583112, 728890, 947557, 1020446, 1457780, 1895114, 2040892, 2551115, 2915560, 3790228, 4081784, 4737785, 5102230, 6632899, 7580456, 9475570, 10204460, 13265798, 18951140, 20408920, 26531596, 33164495, 37902280, 53063192, 66328990, 132657980, 265315960]

約数ペア:

[(1, 265315960), (2, 132657980), (4, 66328990), (5, 53063192), (7, 37902280), (8, 33164495), (10, 26531596), (13, 20408920), (14, 18951140), (20, 13265798), (26, 10204460), (28, 9475570), (35, 7580456), (40, 6632899), (52, 5102230), (56, 4737785), (65, 4081784), (70, 3790228), (91, 2915560), (104, 2551115), (130, 2040892), (140, 1895114), (182, 1457780), (260, 1020446), (280, 947557), (364, 728890), (455, 583112), (520, 510223), (728, 364445), (910, 291556), (1820, 145778), (3640, 72889)]