28184040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1087

約数の個数: 96

約数和(自身を含む): 92851200

約数和(自身を除く): 64667160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 90, 120, 158, 180, 237, 316, 360, 395, 474, 632, 711, 790, 948, 991, 1185, 1422, 1580, 1896, 1982, 2370, 2844, 2973, 3160, 3555, 3964, 4740, 4955, 5688, 5946, 7110, 7928, 8919, 9480, 9910, 11892, 14220, 14865, 17838, 19820, 23784, 28440, 29730, 35676, 39640, 44595, 59460, 71352, 78289, 89190, 118920, 156578, 178380, 234867, 313156, 356760, 391445, 469734, 626312, 704601, 782890, 939468, 1174335, 1409202, 1565780, 1878936, 2348670, 2818404, 3131560, 3523005, 4697340, 5636808, 7046010, 9394680, 14092020, 28184040]

約数ペア:

[(1, 28184040), (2, 14092020), (3, 9394680), (4, 7046010), (5, 5636808), (6, 4697340), (8, 3523005), (9, 3131560), (10, 2818404), (12, 2348670), (15, 1878936), (18, 1565780), (20, 1409202), (24, 1174335), (30, 939468), (36, 782890), (40, 704601), (45, 626312), (60, 469734), (72, 391445), (79, 356760), (90, 313156), (120, 234867), (158, 178380), (180, 156578), (237, 118920), (316, 89190), (360, 78289), (395, 71352), (474, 59460), (632, 44595), (711, 39640), (790, 35676), (948, 29730), (991, 28440), (1185, 23784), (1422, 19820), (1580, 17838), (1896, 14865), (1982, 14220), (2370, 11892), (2844, 9910), (2973, 9480), (3160, 8919), (3555, 7928), (3964, 7110), (4740, 5946), (4955, 5688)]