16855140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 49674240

約数和(自身を除く): 32819100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 47, 60, 86, 94, 129, 139, 141, 172, 188, 215, 235, 258, 278, 282, 417, 430, 470, 516, 556, 564, 645, 695, 705, 834, 860, 940, 1290, 1390, 1410, 1668, 2021, 2085, 2580, 2780, 2820, 4042, 4170, 5977, 6063, 6533, 8084, 8340, 10105, 11954, 12126, 13066, 17931, 19599, 20210, 23908, 24252, 26132, 29885, 30315, 32665, 35862, 39198, 40420, 59770, 60630, 65330, 71724, 78396, 89655, 97995, 119540, 121260, 130660, 179310, 195990, 280919, 358620, 391980, 561838, 842757, 1123676, 1404595, 1685514, 2809190, 3371028, 4213785, 5618380, 8427570, 16855140]

約数ペア:

[(1, 16855140), (2, 8427570), (3, 5618380), (4, 4213785), (5, 3371028), (6, 2809190), (10, 1685514), (12, 1404595), (15, 1123676), (20, 842757), (30, 561838), (43, 391980), (47, 358620), (60, 280919), (86, 195990), (94, 179310), (129, 130660), (139, 121260), (141, 119540), (172, 97995), (188, 89655), (215, 78396), (235, 71724), (258, 65330), (278, 60630), (282, 59770), (417, 40420), (430, 39198), (470, 35862), (516, 32665), (556, 30315), (564, 29885), (645, 26132), (695, 24252), (705, 23908), (834, 20210), (860, 19599), (940, 17931), (1290, 13066), (1390, 12126), (1410, 11954), (1668, 10105), (2021, 8340), (2085, 8084), (2580, 6533), (2780, 6063), (2820, 5977), (4042, 4170)]