661402680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{324217}}^1$

素因数の和:324248

約数の個数: 64

約数和(自身を含む): 2100932640

約数和(自身を除く): 1439529960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 324217, 648434, 972651, 1296868, 1621085, 1945302, 2593736, 3242170, 3890604, 4863255, 5511689, 6484340, 7781208, 9726510, 11023378, 12968680, 16535067, 19453020, 22046756, 27558445, 33070134, 38906040, 44093512, 55116890, 66140268, 82675335, 110233780, 132280536, 165350670, 220467560, 330701340, 661402680]

約数ペア:

[(1, 661402680), (2, 330701340), (3, 220467560), (4, 165350670), (5, 132280536), (6, 110233780), (8, 82675335), (10, 66140268), (12, 55116890), (15, 44093512), (17, 38906040), (20, 33070134), (24, 27558445), (30, 22046756), (34, 19453020), (40, 16535067), (51, 12968680), (60, 11023378), (68, 9726510), (85, 7781208), (102, 6484340), (120, 5511689), (136, 4863255), (170, 3890604), (204, 3242170), (255, 2593736), (340, 1945302), (408, 1621085), (510, 1296868), (680, 972651), (1020, 648434), (2040, 324217)]