68319440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6421}}^1$

素因数の和:6460

約数の個数: 80

約数和(自身を含む): 191118720

約数和(自身を除く): 122799280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 6421, 10640, 12842, 25684, 32105, 44947, 51368, 64210, 89894, 102736, 121999, 128420, 179788, 224735, 243998, 256840, 359576, 449470, 487996, 513680, 609995, 719152, 853993, 898940, 975992, 1219990, 1707986, 1797880, 1951984, 2439980, 3415972, 3595760, 4269965, 4879960, 6831944, 8539930, 9759920, 13663888, 17079860, 34159720, 68319440]

約数ペア:

[(1, 68319440), (2, 34159720), (4, 17079860), (5, 13663888), (7, 9759920), (8, 8539930), (10, 6831944), (14, 4879960), (16, 4269965), (19, 3595760), (20, 3415972), (28, 2439980), (35, 1951984), (38, 1797880), (40, 1707986), (56, 1219990), (70, 975992), (76, 898940), (80, 853993), (95, 719152), (112, 609995), (133, 513680), (140, 487996), (152, 449470), (190, 359576), (266, 256840), (280, 243998), (304, 224735), (380, 179788), (532, 128420), (560, 121999), (665, 102736), (760, 89894), (1064, 64210), (1330, 51368), (1520, 44947), (2128, 32105), (2660, 25684), (5320, 12842), (6421, 10640)]