64140080

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 154275840

約数和(自身を除く): 90135760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 107, 118, 127, 214, 236, 254, 295, 428, 472, 508, 535, 590, 635, 856, 944, 1016, 1070, 1180, 1270, 1712, 2032, 2140, 2360, 2540, 4280, 4720, 5080, 6313, 7493, 8560, 10160, 12626, 13589, 14986, 25252, 27178, 29972, 31565, 37465, 50504, 54356, 59944, 63130, 67945, 74930, 101008, 108712, 119888, 126260, 135890, 149860, 217424, 252520, 271780, 299720, 505040, 543560, 599440, 801751, 1087120, 1603502, 3207004, 4008755, 6414008, 8017510, 12828016, 16035020, 32070040, 64140080]

約数ペア:

[(1, 64140080), (2, 32070040), (4, 16035020), (5, 12828016), (8, 8017510), (10, 6414008), (16, 4008755), (20, 3207004), (40, 1603502), (59, 1087120), (80, 801751), (107, 599440), (118, 543560), (127, 505040), (214, 299720), (236, 271780), (254, 252520), (295, 217424), (428, 149860), (472, 135890), (508, 126260), (535, 119888), (590, 108712), (635, 101008), (856, 74930), (944, 67945), (1016, 63130), (1070, 59944), (1180, 54356), (1270, 50504), (1712, 37465), (2032, 31565), (2140, 29972), (2360, 27178), (2540, 25252), (4280, 14986), (4720, 13589), (5080, 12626), (6313, 10160), (7493, 8560)]