40168140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1721}}^1$

素因数の和:2122

約数の個数: 48

約数和(自身を含む): 112825440

約数和(自身を除く): 72657300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 389, 778, 1167, 1556, 1721, 1945, 2334, 3442, 3890, 4668, 5163, 5835, 6884, 7780, 8605, 10326, 11670, 17210, 20652, 23340, 25815, 34420, 51630, 103260, 669469, 1338938, 2008407, 2677876, 3347345, 4016814, 6694690, 8033628, 10042035, 13389380, 20084070, 40168140]

約数ペア:

[(1, 40168140), (2, 20084070), (3, 13389380), (4, 10042035), (5, 8033628), (6, 6694690), (10, 4016814), (12, 3347345), (15, 2677876), (20, 2008407), (30, 1338938), (60, 669469), (389, 103260), (778, 51630), (1167, 34420), (1556, 25815), (1721, 23340), (1945, 20652), (2334, 17210), (3442, 11670), (3890, 10326), (4668, 8605), (5163, 7780), (5835, 6884)]