71393580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{396631}}^1$

素因数の和:396646

約数の個数: 36

約数和(自身を含む): 216561072

約数和(自身を除く): 145167492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 396631, 793262, 1189893, 1586524, 1983155, 2379786, 3569679, 3966310, 4759572, 5949465, 7139358, 7932620, 11898930, 14278716, 17848395, 23797860, 35696790, 71393580]

約数ペア:

[(1, 71393580), (2, 35696790), (3, 23797860), (4, 17848395), (5, 14278716), (6, 11898930), (9, 7932620), (10, 7139358), (12, 5949465), (15, 4759572), (18, 3966310), (20, 3569679), (30, 2379786), (36, 1983155), (45, 1586524), (60, 1189893), (90, 793262), (180, 396631)]