128367840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{267433}}^1$

素因数の和:267451

約数の個数: 48

約数和(自身を含む): 404360208

約数和(自身を除く): 275992368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 267433, 534866, 802299, 1069732, 1337165, 1604598, 2139464, 2674330, 3209196, 4011495, 4278928, 5348660, 6418392, 8022990, 8557856, 10697320, 12836784, 16045980, 21394640, 25673568, 32091960, 42789280, 64183920, 128367840]

約数ペア:

[(1, 128367840), (2, 64183920), (3, 42789280), (4, 32091960), (5, 25673568), (6, 21394640), (8, 16045980), (10, 12836784), (12, 10697320), (15, 8557856), (16, 8022990), (20, 6418392), (24, 5348660), (30, 4278928), (32, 4011495), (40, 3209196), (48, 2674330), (60, 2139464), (80, 1604598), (96, 1337165), (120, 1069732), (160, 802299), (240, 534866), (480, 267433)]