251931480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{10657}}^1$

素因数の和:10868

約数の個数: 64

約数和(自身を含む): 759702240

約数和(自身を除く): 507770760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3940, 4728, 5910, 7880, 10657, 11820, 21314, 23640, 31971, 42628, 53285, 63942, 85256, 106570, 127884, 159855, 213140, 255768, 319710, 426280, 639420, 1278840, 2099429, 4198858, 6298287, 8397716, 10497145, 12596574, 16795432, 20994290, 25193148, 31491435, 41988580, 50386296, 62982870, 83977160, 125965740, 251931480]

約数ペア:

[(1, 251931480), (2, 125965740), (3, 83977160), (4, 62982870), (5, 50386296), (6, 41988580), (8, 31491435), (10, 25193148), (12, 20994290), (15, 16795432), (20, 12596574), (24, 10497145), (30, 8397716), (40, 6298287), (60, 4198858), (120, 2099429), (197, 1278840), (394, 639420), (591, 426280), (788, 319710), (985, 255768), (1182, 213140), (1576, 159855), (1970, 127884), (2364, 106570), (2955, 85256), (3940, 63942), (4728, 53285), (5910, 42628), (7880, 31971), (10657, 23640), (11820, 21314)]