220448340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{174959}}^1$

素因数の和:174981

約数の個数: 72

約数和(自身を含む): 764225280

約数和(自身を除く): 543776940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 174959, 349918, 524877, 699836, 874795, 1049754, 1224713, 1574631, 1749590, 2099508, 2449426, 2624385, 3149262, 3499180, 3674139, 4898852, 5248770, 6123565, 6298524, 7348278, 7873155, 10497540, 11022417, 12247130, 14696556, 15746310, 18370695, 22044834, 24494260, 31492620, 36741390, 44089668, 55112085, 73482780, 110224170, 220448340]

約数ペア:

[(1, 220448340), (2, 110224170), (3, 73482780), (4, 55112085), (5, 44089668), (6, 36741390), (7, 31492620), (9, 24494260), (10, 22044834), (12, 18370695), (14, 15746310), (15, 14696556), (18, 12247130), (20, 11022417), (21, 10497540), (28, 7873155), (30, 7348278), (35, 6298524), (36, 6123565), (42, 5248770), (45, 4898852), (60, 3674139), (63, 3499180), (70, 3149262), (84, 2624385), (90, 2449426), (105, 2099508), (126, 1749590), (140, 1574631), (180, 1224713), (210, 1049754), (252, 874795), (315, 699836), (420, 524877), (630, 349918), (1260, 174959)]