31089420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{6397}}^1$

素因数の和:6421

約数の個数: 72

約数和(自身を含む): 97812624

約数和(自身を除く): 66723204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 6397, 12794, 19191, 25588, 31985, 38382, 57573, 63970, 76764, 95955, 115146, 127940, 172719, 191910, 230292, 287865, 345438, 383820, 518157, 575730, 690876, 863595, 1036314, 1151460, 1554471, 1727190, 2072628, 2590785, 3108942, 3454380, 5181570, 6217884, 7772355, 10363140, 15544710, 31089420]

約数ペア:

[(1, 31089420), (2, 15544710), (3, 10363140), (4, 7772355), (5, 6217884), (6, 5181570), (9, 3454380), (10, 3108942), (12, 2590785), (15, 2072628), (18, 1727190), (20, 1554471), (27, 1151460), (30, 1036314), (36, 863595), (45, 690876), (54, 575730), (60, 518157), (81, 383820), (90, 345438), (108, 287865), (135, 230292), (162, 191910), (180, 172719), (243, 127940), (270, 115146), (324, 95955), (405, 76764), (486, 63970), (540, 57573), (810, 38382), (972, 31985), (1215, 25588), (1620, 19191), (2430, 12794), (4860, 6397)]