1687672020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{19963}}^1$

素因数の和:21384

約数の個数: 48

約数和(自身を含む): 4729072320

約数和(自身を除く): 3041400300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1409, 2818, 4227, 5636, 7045, 8454, 14090, 16908, 19963, 21135, 28180, 39926, 42270, 59889, 79852, 84540, 99815, 119778, 199630, 239556, 299445, 399260, 598890, 1197780, 28127867, 56255734, 84383601, 112511468, 140639335, 168767202, 281278670, 337534404, 421918005, 562557340, 843836010, 1687672020]

約数ペア:

[(1, 1687672020), (2, 843836010), (3, 562557340), (4, 421918005), (5, 337534404), (6, 281278670), (10, 168767202), (12, 140639335), (15, 112511468), (20, 84383601), (30, 56255734), (60, 28127867), (1409, 1197780), (2818, 598890), (4227, 399260), (5636, 299445), (7045, 239556), (8454, 199630), (14090, 119778), (16908, 99815), (19963, 84540), (21135, 79852), (28180, 59889), (39926, 42270)]