61362640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 149276160

約数和(自身を除く): 87913520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 109, 124, 155, 218, 227, 248, 310, 436, 454, 496, 545, 620, 872, 908, 1090, 1135, 1240, 1744, 1816, 2180, 2270, 2480, 3379, 3632, 4360, 4540, 6758, 7037, 8720, 9080, 13516, 14074, 16895, 18160, 24743, 27032, 28148, 33790, 35185, 49486, 54064, 56296, 67580, 70370, 98972, 112592, 123715, 135160, 140740, 197944, 247430, 270320, 281480, 395888, 494860, 562960, 767033, 989720, 1534066, 1979440, 3068132, 3835165, 6136264, 7670330, 12272528, 15340660, 30681320, 61362640]

約数ペア:

[(1, 61362640), (2, 30681320), (4, 15340660), (5, 12272528), (8, 7670330), (10, 6136264), (16, 3835165), (20, 3068132), (31, 1979440), (40, 1534066), (62, 989720), (80, 767033), (109, 562960), (124, 494860), (155, 395888), (218, 281480), (227, 270320), (248, 247430), (310, 197944), (436, 140740), (454, 135160), (496, 123715), (545, 112592), (620, 98972), (872, 70370), (908, 67580), (1090, 56296), (1135, 54064), (1240, 49486), (1744, 35185), (1816, 33790), (2180, 28148), (2270, 27032), (2480, 24743), (3379, 18160), (3632, 16895), (4360, 14074), (4540, 13516), (6758, 9080), (7037, 8720)]