64747780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1483}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 142107840

約数和(自身を除く): 77360060

約数列:

[1, 2, 4, 5, 10, 20, 37, 59, 74, 118, 148, 185, 236, 295, 370, 590, 740, 1180, 1483, 2183, 2966, 4366, 5932, 7415, 8732, 10915, 14830, 21830, 29660, 43660, 54871, 87497, 109742, 174994, 219484, 274355, 349988, 437485, 548710, 874970, 1097420, 1749940, 3237389, 6474778, 12949556, 16186945, 32373890, 64747780]

約数ペア:

[(1, 64747780), (2, 32373890), (4, 16186945), (5, 12949556), (10, 6474778), (20, 3237389), (37, 1749940), (59, 1097420), (74, 874970), (118, 548710), (148, 437485), (185, 349988), (236, 274355), (295, 219484), (370, 174994), (590, 109742), (740, 87497), (1180, 54871), (1483, 43660), (2183, 29660), (2966, 21830), (4366, 14830), (5932, 10915), (7415, 8732)]