28709160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239243}}^1$

素因数の和:239257

約数の個数: 32

約数和(自身を含む): 86127840

約数和(自身を除く): 57418680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239243, 478486, 717729, 956972, 1196215, 1435458, 1913944, 2392430, 2870916, 3588645, 4784860, 5741832, 7177290, 9569720, 14354580, 28709160]

約数ペア:

[(1, 28709160), (2, 14354580), (3, 9569720), (4, 7177290), (5, 5741832), (6, 4784860), (8, 3588645), (10, 2870916), (12, 2392430), (15, 1913944), (20, 1435458), (24, 1196215), (30, 956972), (40, 717729), (60, 478486), (120, 239243)]