18682560

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:535

約数の個数: 168

約数和(自身を含む): 69342000

約数和(自身を除く): 50659440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 390, 416, 468, 480, 499, 520, 576, 585, 624, 720, 780, 832, 936, 960, 998, 1040, 1170, 1248, 1440, 1497, 1560, 1872, 1996, 2080, 2340, 2495, 2496, 2880, 2994, 3120, 3744, 3992, 4160, 4491, 4680, 4990, 5988, 6240, 6487, 7485, 7488, 7984, 8982, 9360, 9980, 11976, 12480, 12974, 14970, 15968, 17964, 18720, 19461, 19960, 22455, 23952, 25948, 29940, 31936, 32435, 35928, 37440, 38922, 39920, 44910, 47904, 51896, 58383, 59880, 64870, 71856, 77844, 79840, 89820, 95808, 97305, 103792, 116766, 119760, 129740, 143712, 155688, 159680, 179640, 194610, 207584, 233532, 239520, 259480, 287424, 291915, 311376, 359280, 389220, 415168, 467064, 479040, 518960, 583830, 622752, 718560, 778440, 934128, 1037920, 1167660, 1245504, 1437120, 1556880, 1868256, 2075840, 2335320, 3113760, 3736512, 4670640, 6227520, 9341280, 18682560]

約数ペア:

[(1, 18682560), (2, 9341280), (3, 6227520), (4, 4670640), (5, 3736512), (6, 3113760), (8, 2335320), (9, 2075840), (10, 1868256), (12, 1556880), (13, 1437120), (15, 1245504), (16, 1167660), (18, 1037920), (20, 934128), (24, 778440), (26, 718560), (30, 622752), (32, 583830), (36, 518960), (39, 479040), (40, 467064), (45, 415168), (48, 389220), (52, 359280), (60, 311376), (64, 291915), (65, 287424), (72, 259480), (78, 239520), (80, 233532), (90, 207584), (96, 194610), (104, 179640), (117, 159680), (120, 155688), (130, 143712), (144, 129740), (156, 119760), (160, 116766), (180, 103792), (192, 97305), (195, 95808), (208, 89820), (234, 79840), (240, 77844), (260, 71856), (288, 64870), (312, 59880), (320, 58383), (360, 51896), (390, 47904), (416, 44910), (468, 39920), (480, 38922), (499, 37440), (520, 35928), (576, 32435), (585, 31936), (624, 29940), (720, 25948), (780, 23952), (832, 22455), (936, 19960), (960, 19461), (998, 18720), (1040, 17964), (1170, 15968), (1248, 14970), (1440, 12974), (1497, 12480), (1560, 11976), (1872, 9980), (1996, 9360), (2080, 8982), (2340, 7984), (2495, 7488), (2496, 7485), (2880, 6487), (2994, 6240), (3120, 5988), (3744, 4990), (3992, 4680), (4160, 4491)]