128698740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{238331}}^1$

素因数の和:238349

約数の個数: 48

約数和(自身を含む): 400397760

約数和(自身を除く): 271699020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 238331, 476662, 714993, 953324, 1191655, 1429986, 2144979, 2383310, 2859972, 3574965, 4289958, 4766620, 6434937, 7149930, 8579916, 10724895, 12869874, 14299860, 21449790, 25739748, 32174685, 42899580, 64349370, 128698740]

約数ペア:

[(1, 128698740), (2, 64349370), (3, 42899580), (4, 32174685), (5, 25739748), (6, 21449790), (9, 14299860), (10, 12869874), (12, 10724895), (15, 8579916), (18, 7149930), (20, 6434937), (27, 4766620), (30, 4289958), (36, 3574965), (45, 2859972), (54, 2383310), (60, 2144979), (90, 1429986), (108, 1191655), (135, 953324), (180, 714993), (270, 476662), (540, 238331)]