128581680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{535757}}^1$

素因数の和:535773

約数の個数: 40

約数和(自身を含む): 398603952

約数和(自身を除く): 270022272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 535757, 1071514, 1607271, 2143028, 2678785, 3214542, 4286056, 5357570, 6429084, 8036355, 8572112, 10715140, 12858168, 16072710, 21430280, 25716336, 32145420, 42860560, 64290840, 128581680]

約数ペア:

[(1, 128581680), (2, 64290840), (3, 42860560), (4, 32145420), (5, 25716336), (6, 21430280), (8, 16072710), (10, 12858168), (12, 10715140), (15, 8572112), (16, 8036355), (20, 6429084), (24, 5357570), (30, 4286056), (40, 3214542), (48, 2678785), (60, 2143028), (80, 1607271), (120, 1071514), (240, 535757)]