40478880

素因数分解:

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

素因数の和:543

約数の個数: 144

約数和(自身を含む): 138348000

約数和(自身を除く): 97869120

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, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 195, 208, 240, 260, 312, 338, 390, 416, 480, 499, 507, 520, 624, 676, 780, 845, 998, 1014, 1040, 1248, 1352, 1497, 1560, 1690, 1996, 2028, 2080, 2495, 2535, 2704, 2994, 3120, 3380, 3992, 4056, 4990, 5070, 5408, 5988, 6240, 6487, 6760, 7485, 7984, 8112, 9980, 10140, 11976, 12974, 13520, 14970, 15968, 16224, 19461, 19960, 20280, 23952, 25948, 27040, 29940, 32435, 38922, 39920, 40560, 47904, 51896, 59880, 64870, 77844, 79840, 81120, 84331, 97305, 103792, 119760, 129740, 155688, 168662, 194610, 207584, 239520, 252993, 259480, 311376, 337324, 389220, 421655, 505986, 518960, 622752, 674648, 778440, 843310, 1011972, 1037920, 1264965, 1349296, 1556880, 1686620, 2023944, 2529930, 2698592, 3113760, 3373240, 4047888, 5059860, 6746480, 8095776, 10119720, 13492960, 20239440, 40478880]

約数ペア:

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