203421840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10729}}^1$

素因数の和:10824

約数の個数: 80

約数和(自身を含む): 638649600

約数和(自身を除く): 435227760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 3160, 3792, 4740, 6320, 9480, 10729, 18960, 21458, 32187, 42916, 53645, 64374, 85832, 107290, 128748, 160935, 171664, 214580, 257496, 321870, 429160, 514992, 643740, 847591, 858320, 1287480, 1695182, 2542773, 2574960, 3390364, 4237955, 5085546, 6780728, 8475910, 10171092, 12713865, 13561456, 16951820, 20342184, 25427730, 33903640, 40684368, 50855460, 67807280, 101710920, 203421840]

約数ペア:

[(1, 203421840), (2, 101710920), (3, 67807280), (4, 50855460), (5, 40684368), (6, 33903640), (8, 25427730), (10, 20342184), (12, 16951820), (15, 13561456), (16, 12713865), (20, 10171092), (24, 8475910), (30, 6780728), (40, 5085546), (48, 4237955), (60, 3390364), (79, 2574960), (80, 2542773), (120, 1695182), (158, 1287480), (237, 858320), (240, 847591), (316, 643740), (395, 514992), (474, 429160), (632, 321870), (790, 257496), (948, 214580), (1185, 171664), (1264, 160935), (1580, 128748), (1896, 107290), (2370, 85832), (3160, 64374), (3792, 53645), (4740, 42916), (6320, 32187), (9480, 21458), (10729, 18960)]