661572289600

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13338151}}^1$

素因数の和:13338204

約数の個数: 84

約数和(自身を含む): 1680393741568

約数和(自身を除く): 1018821451968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 400, 496, 620, 775, 800, 992, 1240, 1550, 1600, 1984, 2480, 3100, 4960, 6200, 9920, 12400, 24800, 49600, 13338151, 26676302, 53352604, 66690755, 106705208, 133381510, 213410416, 266763020, 333453775, 413482681, 426820832, 533526040, 666907550, 826965362, 853641664, 1067052080, 1333815100, 1653930724, 2067413405, 2134104160, 2667630200, 3307861448, 4134826810, 4268208320, 5335260400, 6615722896, 8269653620, 10337067025, 10670520800, 13231445792, 16539307240, 20674134050, 21341041600, 26462891584, 33078614480, 41348268100, 66157228960, 82696536200, 132314457920, 165393072400, 330786144800, 661572289600]

約数ペア:

[(1, 661572289600), (2, 330786144800), (4, 165393072400), (5, 132314457920), (8, 82696536200), (10, 66157228960), (16, 41348268100), (20, 33078614480), (25, 26462891584), (31, 21341041600), (32, 20674134050), (40, 16539307240), (50, 13231445792), (62, 10670520800), (64, 10337067025), (80, 8269653620), (100, 6615722896), (124, 5335260400), (155, 4268208320), (160, 4134826810), (200, 3307861448), (248, 2667630200), (310, 2134104160), (320, 2067413405), (400, 1653930724), (496, 1333815100), (620, 1067052080), (775, 853641664), (800, 826965362), (992, 666907550), (1240, 533526040), (1550, 426820832), (1600, 413482681), (1984, 333453775), (2480, 266763020), (3100, 213410416), (4960, 133381510), (6200, 106705208), (9920, 66690755), (12400, 53352604), (24800, 26676302), (49600, 13338151)]