312801120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{217223}}^1$

素因数の和:217244

約数の個数: 72

約数和(自身を含む): 1067438736

約数和(自身を除く): 754637616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 217223, 434446, 651669, 868892, 1086115, 1303338, 1737784, 1955007, 2172230, 2606676, 3258345, 3475568, 3910014, 4344460, 5213352, 6516690, 6951136, 7820028, 8688920, 9775035, 10426704, 13033380, 15640056, 17377840, 19550070, 20853408, 26066760, 31280112, 34755680, 39100140, 52133520, 62560224, 78200280, 104267040, 156400560, 312801120]

約数ペア:

[(1, 312801120), (2, 156400560), (3, 104267040), (4, 78200280), (5, 62560224), (6, 52133520), (8, 39100140), (9, 34755680), (10, 31280112), (12, 26066760), (15, 20853408), (16, 19550070), (18, 17377840), (20, 15640056), (24, 13033380), (30, 10426704), (32, 9775035), (36, 8688920), (40, 7820028), (45, 6951136), (48, 6516690), (60, 5213352), (72, 4344460), (80, 3910014), (90, 3475568), (96, 3258345), (120, 2606676), (144, 2172230), (160, 1955007), (180, 1737784), (240, 1303338), (288, 1086115), (360, 868892), (480, 651669), (720, 434446), (1440, 217223)]