61507550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:318

約数の個数: 72

約数和(自身を含む): 128663640

約数和(自身を除く): 67156090

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 130, 145, 169, 251, 290, 325, 338, 377, 502, 650, 725, 754, 845, 1255, 1450, 1690, 1885, 2510, 3263, 3770, 4225, 4901, 6275, 6526, 7279, 8450, 9425, 9802, 12550, 14558, 16315, 18850, 24505, 32630, 36395, 42419, 49010, 72790, 81575, 84838, 94627, 122525, 163150, 181975, 189254, 212095, 245050, 363950, 424190, 473135, 946270, 1060475, 1230151, 2120950, 2365675, 2460302, 4731350, 6150755, 12301510, 30753775, 61507550]

約数ペア:

[(1, 61507550), (2, 30753775), (5, 12301510), (10, 6150755), (13, 4731350), (25, 2460302), (26, 2365675), (29, 2120950), (50, 1230151), (58, 1060475), (65, 946270), (130, 473135), (145, 424190), (169, 363950), (251, 245050), (290, 212095), (325, 189254), (338, 181975), (377, 163150), (502, 122525), (650, 94627), (725, 84838), (754, 81575), (845, 72790), (1255, 49010), (1450, 42419), (1690, 36395), (1885, 32630), (2510, 24505), (3263, 18850), (3770, 16315), (4225, 14558), (4901, 12550), (6275, 9802), (6526, 9425), (7279, 8450)]