659490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 1814400

約数和(自身を除く): 1154910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 89, 95, 114, 130, 178, 190, 195, 247, 267, 285, 390, 445, 494, 534, 570, 741, 890, 1157, 1235, 1335, 1482, 1691, 2314, 2470, 2670, 3382, 3471, 3705, 5073, 5785, 6942, 7410, 8455, 10146, 11570, 16910, 17355, 21983, 25365, 34710, 43966, 50730, 65949, 109915, 131898, 219830, 329745, 659490]

約数ペア:

[(1, 659490), (2, 329745), (3, 219830), (5, 131898), (6, 109915), (10, 65949), (13, 50730), (15, 43966), (19, 34710), (26, 25365), (30, 21983), (38, 17355), (39, 16910), (57, 11570), (65, 10146), (78, 8455), (89, 7410), (95, 6942), (114, 5785), (130, 5073), (178, 3705), (190, 3471), (195, 3382), (247, 2670), (267, 2470), (285, 2314), (390, 1691), (445, 1482), (494, 1335), (534, 1235), (570, 1157), (741, 890)]