80740020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1345667}}^1$

素因数の和:1345679

約数の個数: 24

約数和(自身を含む): 226072224

約数和(自身を除く): 145332204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1345667, 2691334, 4037001, 5382668, 6728335, 8074002, 13456670, 16148004, 20185005, 26913340, 40370010, 80740020]

約数ペア:

[(1, 80740020), (2, 40370010), (3, 26913340), (4, 20185005), (5, 16148004), (6, 13456670), (10, 8074002), (12, 6728335), (15, 5382668), (20, 4037001), (30, 2691334), (60, 1345667)]