31482780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{74959}}^1$

素因数の和:74978

約数の個数: 48

約数和(自身を含む): 100746240

約数和(自身を除く): 69263460

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, 74959, 149918, 224877, 299836, 374795, 449754, 524713, 749590, 899508, 1049426, 1124385, 1499180, 1574139, 2098852, 2248770, 2623565, 3148278, 4497540, 5247130, 6296556, 7870695, 10494260, 15741390, 31482780]

約数ペア:

[(1, 31482780), (2, 15741390), (3, 10494260), (4, 7870695), (5, 6296556), (6, 5247130), (7, 4497540), (10, 3148278), (12, 2623565), (14, 2248770), (15, 2098852), (20, 1574139), (21, 1499180), (28, 1124385), (30, 1049426), (35, 899508), (42, 749590), (60, 524713), (70, 449754), (84, 374795), (105, 299836), (140, 224877), (210, 149918), (420, 74959)]