261567982590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2557}}^1\times {\mathrm{5303}}^1$

素因数の和:8513

約数の個数: 64

約数和(自身を含む): 629103960576

約数和(自身を除く): 367535977986

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 643, 1286, 1929, 2557, 3215, 3858, 5114, 5303, 6430, 7671, 9645, 10606, 12785, 15342, 15909, 19290, 25570, 26515, 31818, 38355, 53030, 76710, 79545, 159090, 1644151, 3288302, 3409829, 4932453, 6819658, 8220755, 9864906, 10229487, 13559771, 16441510, 17049145, 20458974, 24662265, 27119542, 34098290, 40679313, 49324530, 51147435, 67798855, 81358626, 102294870, 135597710, 203396565, 406793130, 8718932753, 17437865506, 26156798259, 43594663765, 52313596518, 87189327530, 130783991295, 261567982590]

約数ペア:

[(1, 261567982590), (2, 130783991295), (3, 87189327530), (5, 52313596518), (6, 43594663765), (10, 26156798259), (15, 17437865506), (30, 8718932753), (643, 406793130), (1286, 203396565), (1929, 135597710), (2557, 102294870), (3215, 81358626), (3858, 67798855), (5114, 51147435), (5303, 49324530), (6430, 40679313), (7671, 34098290), (9645, 27119542), (10606, 24662265), (12785, 20458974), (15342, 17049145), (15909, 16441510), (19290, 13559771), (25570, 10229487), (26515, 9864906), (31818, 8220755), (38355, 6819658), (53030, 4932453), (76710, 3409829), (79545, 3288302), (159090, 1644151)]