72713220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19867}}^1$

素因数の和:19940

約数の個数: 48

約数和(自身を含む): 206945088

約数和(自身を除く): 134231868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 19867, 39734, 59601, 79468, 99335, 119202, 198670, 238404, 298005, 397340, 596010, 1192020, 1211887, 2423774, 3635661, 4847548, 6059435, 7271322, 12118870, 14542644, 18178305, 24237740, 36356610, 72713220]

約数ペア:

[(1, 72713220), (2, 36356610), (3, 24237740), (4, 18178305), (5, 14542644), (6, 12118870), (10, 7271322), (12, 6059435), (15, 4847548), (20, 3635661), (30, 2423774), (60, 1211887), (61, 1192020), (122, 596010), (183, 397340), (244, 298005), (305, 238404), (366, 198670), (610, 119202), (732, 99335), (915, 79468), (1220, 59601), (1830, 39734), (3660, 19867)]