689130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:76

約数の個数: 96

約数和(自身を含む): 2096640

約数和(自身を除く): 1407510

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 30, 31, 38, 39, 45, 57, 62, 65, 78, 90, 93, 95, 114, 117, 130, 155, 171, 186, 190, 195, 234, 247, 279, 285, 310, 342, 390, 403, 465, 494, 558, 570, 585, 589, 741, 806, 855, 930, 1170, 1178, 1209, 1235, 1395, 1482, 1710, 1767, 2015, 2223, 2418, 2470, 2790, 2945, 3534, 3627, 3705, 4030, 4446, 5301, 5890, 6045, 7254, 7410, 7657, 8835, 10602, 11115, 12090, 15314, 17670, 18135, 22230, 22971, 26505, 36270, 38285, 45942, 53010, 68913, 76570, 114855, 137826, 229710, 344565, 689130]

約数ペア:

[(1, 689130), (2, 344565), (3, 229710), (5, 137826), (6, 114855), (9, 76570), (10, 68913), (13, 53010), (15, 45942), (18, 38285), (19, 36270), (26, 26505), (30, 22971), (31, 22230), (38, 18135), (39, 17670), (45, 15314), (57, 12090), (62, 11115), (65, 10602), (78, 8835), (90, 7657), (93, 7410), (95, 7254), (114, 6045), (117, 5890), (130, 5301), (155, 4446), (171, 4030), (186, 3705), (190, 3627), (195, 3534), (234, 2945), (247, 2790), (279, 2470), (285, 2418), (310, 2223), (342, 2015), (390, 1767), (403, 1710), (465, 1482), (494, 1395), (558, 1235), (570, 1209), (585, 1178), (589, 1170), (741, 930), (806, 855)]