20080140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{181}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 57880368

約数和(自身を除く): 37800228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 181, 215, 258, 362, 430, 516, 543, 645, 724, 860, 905, 1086, 1290, 1810, 1849, 2172, 2580, 2715, 3620, 3698, 5430, 5547, 7396, 7783, 9245, 10860, 11094, 15566, 18490, 22188, 23349, 27735, 31132, 36980, 38915, 46698, 55470, 77830, 93396, 110940, 116745, 155660, 233490, 334669, 466980, 669338, 1004007, 1338676, 1673345, 2008014, 3346690, 4016028, 5020035, 6693380, 10040070, 20080140]

約数ペア:

[(1, 20080140), (2, 10040070), (3, 6693380), (4, 5020035), (5, 4016028), (6, 3346690), (10, 2008014), (12, 1673345), (15, 1338676), (20, 1004007), (30, 669338), (43, 466980), (60, 334669), (86, 233490), (129, 155660), (172, 116745), (181, 110940), (215, 93396), (258, 77830), (362, 55470), (430, 46698), (516, 38915), (543, 36980), (645, 31132), (724, 27735), (860, 23349), (905, 22188), (1086, 18490), (1290, 15566), (1810, 11094), (1849, 10860), (2172, 9245), (2580, 7783), (2715, 7396), (3620, 5547), (3698, 5430)]