61505880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7219}}^1$

素因数の和:7304

約数の個数: 64

約数和(自身を含む): 187142400

約数和(自身を除く): 125636520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 7219, 8520, 14438, 21657, 28876, 36095, 43314, 57752, 72190, 86628, 108285, 144380, 173256, 216570, 288760, 433140, 512549, 866280, 1025098, 1537647, 2050196, 2562745, 3075294, 4100392, 5125490, 6150588, 7688235, 10250980, 12301176, 15376470, 20501960, 30752940, 61505880]

約数ペア:

[(1, 61505880), (2, 30752940), (3, 20501960), (4, 15376470), (5, 12301176), (6, 10250980), (8, 7688235), (10, 6150588), (12, 5125490), (15, 4100392), (20, 3075294), (24, 2562745), (30, 2050196), (40, 1537647), (60, 1025098), (71, 866280), (120, 512549), (142, 433140), (213, 288760), (284, 216570), (355, 173256), (426, 144380), (568, 108285), (710, 86628), (852, 72190), (1065, 57752), (1420, 43314), (1704, 36095), (2130, 28876), (2840, 21657), (4260, 14438), (7219, 8520)]