1531740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{521}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 4998672

約数和(自身を除く): 3466932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 521, 588, 735, 980, 1042, 1470, 1563, 2084, 2605, 2940, 3126, 3647, 5210, 6252, 7294, 7815, 10420, 10941, 14588, 15630, 18235, 21882, 25529, 31260, 36470, 43764, 51058, 54705, 72940, 76587, 102116, 109410, 127645, 153174, 218820, 255290, 306348, 382935, 510580, 765870, 1531740]

約数ペア:

[(1, 1531740), (2, 765870), (3, 510580), (4, 382935), (5, 306348), (6, 255290), (7, 218820), (10, 153174), (12, 127645), (14, 109410), (15, 102116), (20, 76587), (21, 72940), (28, 54705), (30, 51058), (35, 43764), (42, 36470), (49, 31260), (60, 25529), (70, 21882), (84, 18235), (98, 15630), (105, 14588), (140, 10941), (147, 10420), (196, 7815), (210, 7294), (245, 6252), (294, 5210), (420, 3647), (490, 3126), (521, 2940), (588, 2605), (735, 2084), (980, 1563), (1042, 1470)]