79102020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{77551}}^1$

素因数の和:77580

約数の個数: 48

約数和(自身を含む): 234517248

約数和(自身を除く): 155415228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 77551, 155102, 232653, 310204, 387755, 465306, 775510, 930612, 1163265, 1318367, 1551020, 2326530, 2636734, 3955101, 4653060, 5273468, 6591835, 7910202, 13183670, 15820404, 19775505, 26367340, 39551010, 79102020]

約数ペア:

[(1, 79102020), (2, 39551010), (3, 26367340), (4, 19775505), (5, 15820404), (6, 13183670), (10, 7910202), (12, 6591835), (15, 5273468), (17, 4653060), (20, 3955101), (30, 2636734), (34, 2326530), (51, 1551020), (60, 1318367), (68, 1163265), (85, 930612), (102, 775510), (170, 465306), (204, 387755), (255, 310204), (340, 232653), (510, 155102), (1020, 77551)]