989357640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{41851}}^1$

素因数の和:42062

約数の個数: 64

約数和(自身を含む): 2983210560

約数和(自身を除く): 1993852920

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, 11820, 23640, 41851, 83702, 125553, 167404, 209255, 251106, 334808, 418510, 502212, 627765, 837020, 1004424, 1255530, 1674040, 2511060, 5022120, 8244647, 16489294, 24733941, 32978588, 41223235, 49467882, 65957176, 82446470, 98935764, 123669705, 164892940, 197871528, 247339410, 329785880, 494678820, 989357640]

約数ペア:

[(1, 989357640), (2, 494678820), (3, 329785880), (4, 247339410), (5, 197871528), (6, 164892940), (8, 123669705), (10, 98935764), (12, 82446470), (15, 65957176), (20, 49467882), (24, 41223235), (30, 32978588), (40, 24733941), (60, 16489294), (120, 8244647), (197, 5022120), (394, 2511060), (591, 1674040), (788, 1255530), (985, 1004424), (1182, 837020), (1576, 627765), (1970, 502212), (2364, 418510), (2955, 334808), (3940, 251106), (4728, 209255), (5910, 167404), (7880, 125553), (11820, 83702), (23640, 41851)]