28079280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:739

約数の個数: 120

約数和(自身を含む): 96042960

約数和(自身を除く): 67963680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 59, 60, 72, 80, 90, 118, 120, 144, 177, 180, 236, 240, 295, 354, 360, 472, 531, 590, 661, 708, 720, 885, 944, 1062, 1180, 1322, 1416, 1770, 1983, 2124, 2360, 2644, 2655, 2832, 3305, 3540, 3966, 4248, 4720, 5288, 5310, 5949, 6610, 7080, 7932, 8496, 9915, 10576, 10620, 11898, 13220, 14160, 15864, 19830, 21240, 23796, 26440, 29745, 31728, 38999, 39660, 42480, 47592, 52880, 59490, 77998, 79320, 95184, 116997, 118980, 155996, 158640, 194995, 233994, 237960, 311992, 350991, 389990, 467988, 475920, 584985, 623984, 701982, 779980, 935976, 1169970, 1403964, 1559960, 1754955, 1871952, 2339940, 2807928, 3119920, 3509910, 4679880, 5615856, 7019820, 9359760, 14039640, 28079280]

約数ペア:

[(1, 28079280), (2, 14039640), (3, 9359760), (4, 7019820), (5, 5615856), (6, 4679880), (8, 3509910), (9, 3119920), (10, 2807928), (12, 2339940), (15, 1871952), (16, 1754955), (18, 1559960), (20, 1403964), (24, 1169970), (30, 935976), (36, 779980), (40, 701982), (45, 623984), (48, 584985), (59, 475920), (60, 467988), (72, 389990), (80, 350991), (90, 311992), (118, 237960), (120, 233994), (144, 194995), (177, 158640), (180, 155996), (236, 118980), (240, 116997), (295, 95184), (354, 79320), (360, 77998), (472, 59490), (531, 52880), (590, 47592), (661, 42480), (708, 39660), (720, 38999), (885, 31728), (944, 29745), (1062, 26440), (1180, 23796), (1322, 21240), (1416, 19830), (1770, 15864), (1983, 14160), (2124, 13220), (2360, 11898), (2644, 10620), (2655, 10576), (2832, 9915), (3305, 8496), (3540, 7932), (3966, 7080), (4248, 6610), (4720, 5949), (5288, 5310)]