79147740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{26921}}^1$

素因数の和:26947

約数の個数: 72

約数和(自身を含む): 257805072

約数和(自身を除く): 178657332

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, 588, 735, 980, 1470, 2940, 26921, 53842, 80763, 107684, 134605, 161526, 188447, 269210, 323052, 376894, 403815, 538420, 565341, 753788, 807630, 942235, 1130682, 1319129, 1615260, 1884470, 2261364, 2638258, 2826705, 3768940, 3957387, 5276516, 5653410, 6595645, 7914774, 11306820, 13191290, 15829548, 19786935, 26382580, 39573870, 79147740]

約数ペア:

[(1, 79147740), (2, 39573870), (3, 26382580), (4, 19786935), (5, 15829548), (6, 13191290), (7, 11306820), (10, 7914774), (12, 6595645), (14, 5653410), (15, 5276516), (20, 3957387), (21, 3768940), (28, 2826705), (30, 2638258), (35, 2261364), (42, 1884470), (49, 1615260), (60, 1319129), (70, 1130682), (84, 942235), (98, 807630), (105, 753788), (140, 565341), (147, 538420), (196, 403815), (210, 376894), (245, 323052), (294, 269210), (420, 188447), (490, 161526), (588, 134605), (735, 107684), (980, 80763), (1470, 53842), (2940, 26921)]