31820460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{317}}^1$

素因数の和:575

約数の個数: 96

約数和(自身を含む): 102574080

約数和(自身を除く): 70753620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 239, 317, 420, 478, 634, 717, 951, 956, 1195, 1268, 1434, 1585, 1673, 1902, 2219, 2390, 2868, 3170, 3346, 3585, 3804, 4438, 4755, 4780, 5019, 6340, 6657, 6692, 7170, 8365, 8876, 9510, 10038, 11095, 13314, 14340, 16730, 19020, 20076, 22190, 25095, 26628, 33285, 33460, 44380, 50190, 66570, 75763, 100380, 133140, 151526, 227289, 303052, 378815, 454578, 530341, 757630, 909156, 1060682, 1136445, 1515260, 1591023, 2121364, 2272890, 2651705, 3182046, 4545780, 5303410, 6364092, 7955115, 10606820, 15910230, 31820460]

約数ペア:

[(1, 31820460), (2, 15910230), (3, 10606820), (4, 7955115), (5, 6364092), (6, 5303410), (7, 4545780), (10, 3182046), (12, 2651705), (14, 2272890), (15, 2121364), (20, 1591023), (21, 1515260), (28, 1136445), (30, 1060682), (35, 909156), (42, 757630), (60, 530341), (70, 454578), (84, 378815), (105, 303052), (140, 227289), (210, 151526), (239, 133140), (317, 100380), (420, 75763), (478, 66570), (634, 50190), (717, 44380), (951, 33460), (956, 33285), (1195, 26628), (1268, 25095), (1434, 22190), (1585, 20076), (1673, 19020), (1902, 16730), (2219, 14340), (2390, 13314), (2868, 11095), (3170, 10038), (3346, 9510), (3585, 8876), (3804, 8365), (4438, 7170), (4755, 6692), (4780, 6657), (5019, 6340)]