317950020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{17489}}^1$

素因数の和:17605

約数の個数: 72

約数和(自身を含む): 974053080

約数和(自身を除く): 656103060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4545, 6060, 9090, 17489, 18180, 34978, 52467, 69956, 87445, 104934, 157401, 174890, 209868, 262335, 314802, 349780, 524670, 629604, 787005, 1049340, 1574010, 1766389, 3148020, 3532778, 5299167, 7065556, 8831945, 10598334, 15897501, 17663890, 21196668, 26495835, 31795002, 35327780, 52991670, 63590004, 79487505, 105983340, 158975010, 317950020]

約数ペア:

[(1, 317950020), (2, 158975010), (3, 105983340), (4, 79487505), (5, 63590004), (6, 52991670), (9, 35327780), (10, 31795002), (12, 26495835), (15, 21196668), (18, 17663890), (20, 15897501), (30, 10598334), (36, 8831945), (45, 7065556), (60, 5299167), (90, 3532778), (101, 3148020), (180, 1766389), (202, 1574010), (303, 1049340), (404, 787005), (505, 629604), (606, 524670), (909, 349780), (1010, 314802), (1212, 262335), (1515, 209868), (1818, 174890), (2020, 157401), (3030, 104934), (3636, 87445), (4545, 69956), (6060, 52467), (9090, 34978), (17489, 18180)]