47870720

素因数分解:

$2^8\times 5^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 115894800

約数和(自身を除く): 68024080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 251, 256, 298, 320, 502, 596, 640, 745, 1004, 1192, 1255, 1280, 1490, 2008, 2384, 2510, 2980, 4016, 4768, 5020, 5960, 8032, 9536, 10040, 11920, 16064, 19072, 20080, 23840, 32128, 37399, 38144, 40160, 47680, 64256, 74798, 80320, 95360, 149596, 160640, 186995, 190720, 299192, 321280, 373990, 598384, 747980, 1196768, 1495960, 2393536, 2991920, 4787072, 5983840, 9574144, 11967680, 23935360, 47870720]

約数ペア:

[(1, 47870720), (2, 23935360), (4, 11967680), (5, 9574144), (8, 5983840), (10, 4787072), (16, 2991920), (20, 2393536), (32, 1495960), (40, 1196768), (64, 747980), (80, 598384), (128, 373990), (149, 321280), (160, 299192), (251, 190720), (256, 186995), (298, 160640), (320, 149596), (502, 95360), (596, 80320), (640, 74798), (745, 64256), (1004, 47680), (1192, 40160), (1255, 38144), (1280, 37399), (1490, 32128), (2008, 23840), (2384, 20080), (2510, 19072), (2980, 16064), (4016, 11920), (4768, 10040), (5020, 9536), (5960, 8032)]