2155802520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{91193}}^1$

素因数の和:91404

約数の個数: 64

約数和(自身を含む): 6500308320

約数和(自身を除く): 4344505800

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, 91193, 182386, 273579, 364772, 455965, 547158, 729544, 911930, 1094316, 1367895, 1823860, 2188632, 2735790, 3647720, 5471580, 10943160, 17965021, 35930042, 53895063, 71860084, 89825105, 107790126, 143720168, 179650210, 215580252, 269475315, 359300420, 431160504, 538950630, 718600840, 1077901260, 2155802520]

約数ペア:

[(1, 2155802520), (2, 1077901260), (3, 718600840), (4, 538950630), (5, 431160504), (6, 359300420), (8, 269475315), (10, 215580252), (12, 179650210), (15, 143720168), (20, 107790126), (24, 89825105), (30, 71860084), (40, 53895063), (60, 35930042), (120, 17965021), (197, 10943160), (394, 5471580), (591, 3647720), (788, 2735790), (985, 2188632), (1182, 1823860), (1576, 1367895), (1970, 1094316), (2364, 911930), (2955, 729544), (3940, 547158), (4728, 455965), (5910, 364772), (7880, 273579), (11820, 182386), (23640, 91193)]