72251340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{172027}}^1$

素因数の和:172046

約数の個数: 48

約数和(自身を含む): 231205632

約数和(自身を除く): 158954292

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, 172027, 344054, 516081, 688108, 860135, 1032162, 1204189, 1720270, 2064324, 2408378, 2580405, 3440540, 3612567, 4816756, 5160810, 6020945, 7225134, 10321620, 12041890, 14450268, 18062835, 24083780, 36125670, 72251340]

約数ペア:

[(1, 72251340), (2, 36125670), (3, 24083780), (4, 18062835), (5, 14450268), (6, 12041890), (7, 10321620), (10, 7225134), (12, 6020945), (14, 5160810), (15, 4816756), (20, 3612567), (21, 3440540), (28, 2580405), (30, 2408378), (35, 2064324), (42, 1720270), (60, 1204189), (70, 1032162), (84, 860135), (105, 688108), (140, 516081), (210, 344054), (420, 172027)]