68878880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:802

約数の個数: 96

約数和(自身を含む): 188334720

約数和(自身を除く): 119455840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 89, 112, 140, 160, 178, 224, 280, 356, 445, 560, 623, 691, 712, 890, 1120, 1246, 1382, 1424, 1780, 2492, 2764, 2848, 3115, 3455, 3560, 4837, 4984, 5528, 6230, 6910, 7120, 9674, 9968, 11056, 12460, 13820, 14240, 19348, 19936, 22112, 24185, 24920, 27640, 38696, 48370, 49840, 55280, 61499, 77392, 96740, 99680, 110560, 122998, 154784, 193480, 245996, 307495, 386960, 430493, 491992, 614990, 773920, 860986, 983984, 1229980, 1721972, 1967968, 2152465, 2459960, 3443944, 4304930, 4919920, 6887888, 8609860, 9839840, 13775776, 17219720, 34439440, 68878880]

約数ペア:

[(1, 68878880), (2, 34439440), (4, 17219720), (5, 13775776), (7, 9839840), (8, 8609860), (10, 6887888), (14, 4919920), (16, 4304930), (20, 3443944), (28, 2459960), (32, 2152465), (35, 1967968), (40, 1721972), (56, 1229980), (70, 983984), (80, 860986), (89, 773920), (112, 614990), (140, 491992), (160, 430493), (178, 386960), (224, 307495), (280, 245996), (356, 193480), (445, 154784), (560, 122998), (623, 110560), (691, 99680), (712, 96740), (890, 77392), (1120, 61499), (1246, 55280), (1382, 49840), (1424, 48370), (1780, 38696), (2492, 27640), (2764, 24920), (2848, 24185), (3115, 22112), (3455, 19936), (3560, 19348), (4837, 14240), (4984, 13820), (5528, 12460), (6230, 11056), (6910, 9968), (7120, 9674)]