31290090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80231}}^1$

素因数の和:80254

約数の個数: 32

約数和(自身を含む): 80873856

約数和(自身を除く): 49583766

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 80231, 160462, 240693, 401155, 481386, 802310, 1043003, 1203465, 2086006, 2406930, 3129009, 5215015, 6258018, 10430030, 15645045, 31290090]

約数ペア:

[(1, 31290090), (2, 15645045), (3, 10430030), (5, 6258018), (6, 5215015), (10, 3129009), (13, 2406930), (15, 2086006), (26, 1203465), (30, 1043003), (39, 802310), (65, 481386), (78, 401155), (130, 240693), (195, 160462), (390, 80231)]