131258360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^2$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 324822960

約数和(自身を除く): 193564600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 67, 68, 85, 86, 134, 136, 170, 172, 215, 268, 335, 340, 344, 430, 536, 670, 680, 731, 860, 1139, 1340, 1462, 1720, 2278, 2680, 2881, 2924, 3655, 4489, 4556, 5695, 5762, 5848, 7310, 8978, 9112, 11390, 11524, 14405, 14620, 17956, 22445, 22780, 23048, 28810, 29240, 35912, 44890, 45560, 48977, 57620, 76313, 89780, 97954, 115240, 152626, 179560, 193027, 195908, 244885, 305252, 381565, 386054, 391816, 489770, 610504, 763130, 772108, 965135, 979540, 1526260, 1544216, 1930270, 1959080, 3052520, 3281459, 3860540, 6562918, 7721080, 13125836, 16407295, 26251672, 32814590, 65629180, 131258360]

約数ペア:

[(1, 131258360), (2, 65629180), (4, 32814590), (5, 26251672), (8, 16407295), (10, 13125836), (17, 7721080), (20, 6562918), (34, 3860540), (40, 3281459), (43, 3052520), (67, 1959080), (68, 1930270), (85, 1544216), (86, 1526260), (134, 979540), (136, 965135), (170, 772108), (172, 763130), (215, 610504), (268, 489770), (335, 391816), (340, 386054), (344, 381565), (430, 305252), (536, 244885), (670, 195908), (680, 193027), (731, 179560), (860, 152626), (1139, 115240), (1340, 97954), (1462, 89780), (1720, 76313), (2278, 57620), (2680, 48977), (2881, 45560), (2924, 44890), (3655, 35912), (4489, 29240), (4556, 28810), (5695, 23048), (5762, 22780), (5848, 22445), (7310, 17956), (8978, 14620), (9112, 14405), (11390, 11524)]