72513560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{258977}}^1$

素因数の和:258995

約数の個数: 32

約数和(自身を含む): 186464160

約数和(自身を除く): 113950600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 258977, 517954, 1035908, 1294885, 1812839, 2071816, 2589770, 3625678, 5179540, 7251356, 9064195, 10359080, 14502712, 18128390, 36256780, 72513560]

約数ペア:

[(1, 72513560), (2, 36256780), (4, 18128390), (5, 14502712), (7, 10359080), (8, 9064195), (10, 7251356), (14, 5179540), (20, 3625678), (28, 2589770), (35, 2071816), (40, 1812839), (56, 1294885), (70, 1035908), (140, 517954), (280, 258977)]