64778864840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1188167}}^1$

素因数の和:1188254

約数の個数: 64

約数和(自身を含む): 153986572800

約数和(自身を除く): 89207707960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 290, 376, 470, 580, 940, 1160, 1363, 1880, 2726, 5452, 6815, 10904, 13630, 27260, 54520, 1188167, 2376334, 4752668, 5940835, 9505336, 11881670, 23763340, 34456843, 47526680, 55843849, 68913686, 111687698, 137827372, 172284215, 223375396, 275654744, 279219245, 344568430, 446750792, 558438490, 689136860, 1116876980, 1378273720, 1619471621, 2233753960, 3238943242, 6477886484, 8097358105, 12955772968, 16194716210, 32389432420, 64778864840]

約数ペア:

[(1, 64778864840), (2, 32389432420), (4, 16194716210), (5, 12955772968), (8, 8097358105), (10, 6477886484), (20, 3238943242), (29, 2233753960), (40, 1619471621), (47, 1378273720), (58, 1116876980), (94, 689136860), (116, 558438490), (145, 446750792), (188, 344568430), (232, 279219245), (235, 275654744), (290, 223375396), (376, 172284215), (470, 137827372), (580, 111687698), (940, 68913686), (1160, 55843849), (1363, 47526680), (1880, 34456843), (2726, 23763340), (5452, 11881670), (6815, 9505336), (10904, 5940835), (13630, 4752668), (27260, 2376334), (54520, 1188167)]