80236980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{49529}}^1$

素因数の和:49550

約数の個数: 60

約数和(自身を含む): 251711460

約数和(自身を除く): 171474480

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 49529, 99058, 148587, 198116, 247645, 297174, 445761, 495290, 594348, 742935, 891522, 990580, 1337283, 1485870, 1783044, 2228805, 2674566, 2971740, 4011849, 4457610, 5349132, 6686415, 8023698, 8915220, 13372830, 16047396, 20059245, 26745660, 40118490, 80236980]

約数ペア:

[(1, 80236980), (2, 40118490), (3, 26745660), (4, 20059245), (5, 16047396), (6, 13372830), (9, 8915220), (10, 8023698), (12, 6686415), (15, 5349132), (18, 4457610), (20, 4011849), (27, 2971740), (30, 2674566), (36, 2228805), (45, 1783044), (54, 1485870), (60, 1337283), (81, 990580), (90, 891522), (108, 742935), (135, 594348), (162, 495290), (180, 445761), (270, 297174), (324, 247645), (405, 198116), (540, 148587), (810, 99058), (1620, 49529)]