27286980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{64969}}^1$

素因数の和:64988

約数の個数: 48

約数和(自身を含む): 87319680

約数和(自身を除く): 60032700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 64969, 129938, 194907, 259876, 324845, 389814, 454783, 649690, 779628, 909566, 974535, 1299380, 1364349, 1819132, 1949070, 2273915, 2728698, 3898140, 4547830, 5457396, 6821745, 9095660, 13643490, 27286980]

約数ペア:

[(1, 27286980), (2, 13643490), (3, 9095660), (4, 6821745), (5, 5457396), (6, 4547830), (7, 3898140), (10, 2728698), (12, 2273915), (14, 1949070), (15, 1819132), (20, 1364349), (21, 1299380), (28, 974535), (30, 909566), (35, 779628), (42, 649690), (60, 454783), (70, 389814), (84, 324845), (105, 259876), (140, 194907), (210, 129938), (420, 64969)]