12455040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:534

約数の個数: 128

約数和(自身を含む): 42840000

約数和(自身を除く): 30384960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 499, 520, 624, 640, 780, 832, 960, 998, 1040, 1248, 1497, 1560, 1664, 1920, 1996, 2080, 2495, 2496, 2994, 3120, 3992, 4160, 4990, 4992, 5988, 6240, 6487, 7485, 7984, 8320, 9980, 11976, 12480, 12974, 14970, 15968, 19461, 19960, 23952, 24960, 25948, 29940, 31936, 32435, 38922, 39920, 47904, 51896, 59880, 63872, 64870, 77844, 79840, 95808, 97305, 103792, 119760, 129740, 155688, 159680, 191616, 194610, 207584, 239520, 259480, 311376, 319360, 389220, 415168, 479040, 518960, 622752, 778440, 830336, 958080, 1037920, 1245504, 1556880, 2075840, 2491008, 3113760, 4151680, 6227520, 12455040]

約数ペア:

[(1, 12455040), (2, 6227520), (3, 4151680), (4, 3113760), (5, 2491008), (6, 2075840), (8, 1556880), (10, 1245504), (12, 1037920), (13, 958080), (15, 830336), (16, 778440), (20, 622752), (24, 518960), (26, 479040), (30, 415168), (32, 389220), (39, 319360), (40, 311376), (48, 259480), (52, 239520), (60, 207584), (64, 194610), (65, 191616), (78, 159680), (80, 155688), (96, 129740), (104, 119760), (120, 103792), (128, 97305), (130, 95808), (156, 79840), (160, 77844), (192, 64870), (195, 63872), (208, 59880), (240, 51896), (260, 47904), (312, 39920), (320, 38922), (384, 32435), (390, 31936), (416, 29940), (480, 25948), (499, 24960), (520, 23952), (624, 19960), (640, 19461), (780, 15968), (832, 14970), (960, 12974), (998, 12480), (1040, 11976), (1248, 9980), (1497, 8320), (1560, 7984), (1664, 7485), (1920, 6487), (1996, 6240), (2080, 5988), (2495, 4992), (2496, 4990), (2994, 4160), (3120, 3992)]