127242780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{302959}}^1$

素因数の和:302978

約数の個数: 48

約数和(自身を含む): 407178240

約数和(自身を除く): 279935460

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, 302959, 605918, 908877, 1211836, 1514795, 1817754, 2120713, 3029590, 3635508, 4241426, 4544385, 6059180, 6362139, 8482852, 9088770, 10603565, 12724278, 18177540, 21207130, 25448556, 31810695, 42414260, 63621390, 127242780]

約数ペア:

[(1, 127242780), (2, 63621390), (3, 42414260), (4, 31810695), (5, 25448556), (6, 21207130), (7, 18177540), (10, 12724278), (12, 10603565), (14, 9088770), (15, 8482852), (20, 6362139), (21, 6059180), (28, 4544385), (30, 4241426), (35, 3635508), (42, 3029590), (60, 2120713), (70, 1817754), (84, 1514795), (105, 1211836), (140, 908877), (210, 605918), (420, 302959)]