6719440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:117

約数の個数: 120

約数和(自身を含む): 19605888

約数和(自身を除く): 12886448

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 80, 91, 104, 112, 130, 140, 142, 169, 182, 208, 260, 280, 284, 338, 355, 364, 455, 497, 520, 560, 568, 676, 710, 728, 845, 910, 923, 994, 1040, 1136, 1183, 1352, 1420, 1456, 1690, 1820, 1846, 1988, 2366, 2485, 2704, 2840, 3380, 3640, 3692, 3976, 4615, 4732, 4970, 5680, 5915, 6461, 6760, 7280, 7384, 7952, 9230, 9464, 9940, 11830, 11999, 12922, 13520, 14768, 18460, 18928, 19880, 23660, 23998, 25844, 32305, 36920, 39760, 47320, 47996, 51688, 59995, 64610, 73840, 83993, 94640, 95992, 103376, 119990, 129220, 167986, 191984, 239980, 258440, 335972, 419965, 479960, 516880, 671944, 839930, 959920, 1343888, 1679860, 3359720, 6719440]

約数ペア:

[(1, 6719440), (2, 3359720), (4, 1679860), (5, 1343888), (7, 959920), (8, 839930), (10, 671944), (13, 516880), (14, 479960), (16, 419965), (20, 335972), (26, 258440), (28, 239980), (35, 191984), (40, 167986), (52, 129220), (56, 119990), (65, 103376), (70, 95992), (71, 94640), (80, 83993), (91, 73840), (104, 64610), (112, 59995), (130, 51688), (140, 47996), (142, 47320), (169, 39760), (182, 36920), (208, 32305), (260, 25844), (280, 23998), (284, 23660), (338, 19880), (355, 18928), (364, 18460), (455, 14768), (497, 13520), (520, 12922), (560, 11999), (568, 11830), (676, 9940), (710, 9464), (728, 9230), (845, 7952), (910, 7384), (923, 7280), (994, 6760), (1040, 6461), (1136, 5915), (1183, 5680), (1352, 4970), (1420, 4732), (1456, 4615), (1690, 3976), (1820, 3692), (1846, 3640), (1988, 3380), (2366, 2840), (2485, 2704)]