80957760

素因数分解:

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

素因数の和:545

約数の個数: 168

約数和(自身を含む): 278892000

約数和(自身を除く): 197934240

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, 130, 156, 160, 169, 192, 195, 208, 240, 260, 312, 320, 338, 390, 416, 480, 499, 507, 520, 624, 676, 780, 832, 845, 960, 998, 1014, 1040, 1248, 1352, 1497, 1560, 1690, 1996, 2028, 2080, 2495, 2496, 2535, 2704, 2994, 3120, 3380, 3992, 4056, 4160, 4990, 5070, 5408, 5988, 6240, 6487, 6760, 7485, 7984, 8112, 9980, 10140, 10816, 11976, 12480, 12974, 13520, 14970, 15968, 16224, 19461, 19960, 20280, 23952, 25948, 27040, 29940, 31936, 32435, 32448, 38922, 39920, 40560, 47904, 51896, 54080, 59880, 64870, 77844, 79840, 81120, 84331, 95808, 97305, 103792, 119760, 129740, 155688, 159680, 162240, 168662, 194610, 207584, 239520, 252993, 259480, 311376, 337324, 389220, 415168, 421655, 479040, 505986, 518960, 622752, 674648, 778440, 843310, 1011972, 1037920, 1245504, 1264965, 1349296, 1556880, 1686620, 2023944, 2075840, 2529930, 2698592, 3113760, 3373240, 4047888, 5059860, 5397184, 6227520, 6746480, 8095776, 10119720, 13492960, 16191552, 20239440, 26985920, 40478880, 80957760]

約数ペア:

[(1, 80957760), (2, 40478880), (3, 26985920), (4, 20239440), (5, 16191552), (6, 13492960), (8, 10119720), (10, 8095776), (12, 6746480), (13, 6227520), (15, 5397184), (16, 5059860), (20, 4047888), (24, 3373240), (26, 3113760), (30, 2698592), (32, 2529930), (39, 2075840), (40, 2023944), (48, 1686620), (52, 1556880), (60, 1349296), (64, 1264965), (65, 1245504), (78, 1037920), (80, 1011972), (96, 843310), (104, 778440), (120, 674648), (130, 622752), (156, 518960), (160, 505986), (169, 479040), (192, 421655), (195, 415168), (208, 389220), (240, 337324), (260, 311376), (312, 259480), (320, 252993), (338, 239520), (390, 207584), (416, 194610), (480, 168662), (499, 162240), (507, 159680), (520, 155688), (624, 129740), (676, 119760), (780, 103792), (832, 97305), (845, 95808), (960, 84331), (998, 81120), (1014, 79840), (1040, 77844), (1248, 64870), (1352, 59880), (1497, 54080), (1560, 51896), (1690, 47904), (1996, 40560), (2028, 39920), (2080, 38922), (2495, 32448), (2496, 32435), (2535, 31936), (2704, 29940), (2994, 27040), (3120, 25948), (3380, 23952), (3992, 20280), (4056, 19960), (4160, 19461), (4990, 16224), (5070, 15968), (5408, 14970), (5988, 13520), (6240, 12974), (6487, 12480), (6760, 11976), (7485, 10816), (7984, 10140), (8112, 9980)]