64772660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{617}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 141719760

約数和(自身を除く): 76947100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 181, 290, 362, 580, 617, 724, 905, 1234, 1810, 2468, 3085, 3620, 5249, 6170, 10498, 12340, 17893, 20996, 26245, 35786, 52490, 71572, 89465, 104980, 111677, 178930, 223354, 357860, 446708, 558385, 1116770, 2233540, 3238633, 6477266, 12954532, 16193165, 32386330, 64772660]

約数ペア:

[(1, 64772660), (2, 32386330), (4, 16193165), (5, 12954532), (10, 6477266), (20, 3238633), (29, 2233540), (58, 1116770), (116, 558385), (145, 446708), (181, 357860), (290, 223354), (362, 178930), (580, 111677), (617, 104980), (724, 89465), (905, 71572), (1234, 52490), (1810, 35786), (2468, 26245), (3085, 20996), (3620, 17893), (5249, 12340), (6170, 10498)]