31078710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:390

約数の個数: 96

約数和(自身を含む): 88216128

約数和(自身を除く): 57137418

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 101, 117, 130, 195, 202, 234, 263, 303, 390, 505, 526, 585, 606, 789, 909, 1010, 1170, 1313, 1315, 1515, 1578, 1818, 2367, 2626, 2630, 3030, 3419, 3939, 3945, 4545, 4734, 6565, 6838, 7878, 7890, 9090, 10257, 11817, 11835, 13130, 17095, 19695, 20514, 23634, 23670, 26563, 30771, 34190, 39390, 51285, 53126, 59085, 61542, 79689, 102570, 118170, 132815, 153855, 159378, 239067, 265630, 307710, 345319, 398445, 478134, 690638, 796890, 1035957, 1195335, 1726595, 2071914, 2390670, 3107871, 3453190, 5179785, 6215742, 10359570, 15539355, 31078710]

約数ペア:

[(1, 31078710), (2, 15539355), (3, 10359570), (5, 6215742), (6, 5179785), (9, 3453190), (10, 3107871), (13, 2390670), (15, 2071914), (18, 1726595), (26, 1195335), (30, 1035957), (39, 796890), (45, 690638), (65, 478134), (78, 398445), (90, 345319), (101, 307710), (117, 265630), (130, 239067), (195, 159378), (202, 153855), (234, 132815), (263, 118170), (303, 102570), (390, 79689), (505, 61542), (526, 59085), (585, 53126), (606, 51285), (789, 39390), (909, 34190), (1010, 30771), (1170, 26563), (1313, 23670), (1315, 23634), (1515, 20514), (1578, 19695), (1818, 17095), (2367, 13130), (2626, 11835), (2630, 11817), (3030, 10257), (3419, 9090), (3939, 7890), (3945, 7878), (4545, 6838), (4734, 6565)]