64457820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{51157}}^1$

素因数の和:51179

約数の個数: 72

約数和(自身を含む): 223458144

約数和(自身を除く): 159000324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 51157, 102314, 153471, 204628, 255785, 306942, 358099, 460413, 511570, 613884, 716198, 767355, 920826, 1023140, 1074297, 1432396, 1534710, 1790495, 1841652, 2148594, 2302065, 3069420, 3222891, 3580990, 4297188, 4604130, 5371485, 6445782, 7161980, 9208260, 10742970, 12891564, 16114455, 21485940, 32228910, 64457820]

約数ペア:

[(1, 64457820), (2, 32228910), (3, 21485940), (4, 16114455), (5, 12891564), (6, 10742970), (7, 9208260), (9, 7161980), (10, 6445782), (12, 5371485), (14, 4604130), (15, 4297188), (18, 3580990), (20, 3222891), (21, 3069420), (28, 2302065), (30, 2148594), (35, 1841652), (36, 1790495), (42, 1534710), (45, 1432396), (60, 1074297), (63, 1023140), (70, 920826), (84, 767355), (90, 716198), (105, 613884), (126, 511570), (140, 460413), (180, 358099), (210, 306942), (252, 255785), (315, 204628), (420, 153471), (630, 102314), (1260, 51157)]