330629440

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6581}}^1$

素因数の和:6755

約数の個数: 56

約数和(自身を含む): 792446472

約数和(自身を除く): 461817032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 628, 785, 1256, 1570, 2512, 3140, 5024, 6280, 6581, 10048, 12560, 13162, 25120, 26324, 32905, 50240, 52648, 65810, 105296, 131620, 210592, 263240, 421184, 526480, 1033217, 1052960, 2066434, 2105920, 4132868, 5166085, 8265736, 10332170, 16531472, 20664340, 33062944, 41328680, 66125888, 82657360, 165314720, 330629440]

約数ペア:

[(1, 330629440), (2, 165314720), (4, 82657360), (5, 66125888), (8, 41328680), (10, 33062944), (16, 20664340), (20, 16531472), (32, 10332170), (40, 8265736), (64, 5166085), (80, 4132868), (157, 2105920), (160, 2066434), (314, 1052960), (320, 1033217), (628, 526480), (785, 421184), (1256, 263240), (1570, 210592), (2512, 131620), (3140, 105296), (5024, 65810), (6280, 52648), (6581, 50240), (10048, 32905), (12560, 26324), (13162, 25120)]