388758840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{12907}}^1$

素因数の和:13172

約数の個数: 64

約数和(自身を含む): 1171013760

約数和(自身を除く): 782254920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 5020, 6024, 7530, 10040, 12907, 15060, 25814, 30120, 38721, 51628, 64535, 77442, 103256, 129070, 154884, 193605, 258140, 309768, 387210, 516280, 774420, 1548840, 3239657, 6479314, 9718971, 12958628, 16198285, 19437942, 25917256, 32396570, 38875884, 48594855, 64793140, 77751768, 97189710, 129586280, 194379420, 388758840]

約数ペア:

[(1, 388758840), (2, 194379420), (3, 129586280), (4, 97189710), (5, 77751768), (6, 64793140), (8, 48594855), (10, 38875884), (12, 32396570), (15, 25917256), (20, 19437942), (24, 16198285), (30, 12958628), (40, 9718971), (60, 6479314), (120, 3239657), (251, 1548840), (502, 774420), (753, 516280), (1004, 387210), (1255, 309768), (1506, 258140), (2008, 193605), (2510, 154884), (3012, 129070), (3765, 103256), (5020, 77442), (6024, 64535), (7530, 51628), (10040, 38721), (12907, 30120), (15060, 25814)]