253960440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3271}}^1$

素因数の和:3932

約数の個数: 64

約数和(自身を含む): 763292160

約数和(自身を除く): 509331720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 647, 1294, 1941, 2588, 3235, 3271, 3882, 5176, 6470, 6542, 7764, 9705, 9813, 12940, 13084, 15528, 16355, 19410, 19626, 25880, 26168, 32710, 38820, 39252, 49065, 65420, 77640, 78504, 98130, 130840, 196260, 392520, 2116337, 4232674, 6349011, 8465348, 10581685, 12698022, 16930696, 21163370, 25396044, 31745055, 42326740, 50792088, 63490110, 84653480, 126980220, 253960440]

約数ペア:

[(1, 253960440), (2, 126980220), (3, 84653480), (4, 63490110), (5, 50792088), (6, 42326740), (8, 31745055), (10, 25396044), (12, 21163370), (15, 16930696), (20, 12698022), (24, 10581685), (30, 8465348), (40, 6349011), (60, 4232674), (120, 2116337), (647, 392520), (1294, 196260), (1941, 130840), (2588, 98130), (3235, 78504), (3271, 77640), (3882, 65420), (5176, 49065), (6470, 39252), (6542, 38820), (7764, 32710), (9705, 26168), (9813, 25880), (12940, 19626), (13084, 19410), (15528, 16355)]