80840580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^2\times {\mathrm{127}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 230372352

約数和(自身を除く): 149531772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 127, 206, 254, 309, 381, 412, 508, 515, 618, 635, 762, 1030, 1236, 1270, 1524, 1545, 1905, 2060, 2540, 3090, 3810, 6180, 7620, 10609, 13081, 21218, 26162, 31827, 39243, 42436, 52324, 53045, 63654, 65405, 78486, 106090, 127308, 130810, 156972, 159135, 196215, 212180, 261620, 318270, 392430, 636540, 784860, 1347343, 2694686, 4042029, 5389372, 6736715, 8084058, 13473430, 16168116, 20210145, 26946860, 40420290, 80840580]

約数ペア:

[(1, 80840580), (2, 40420290), (3, 26946860), (4, 20210145), (5, 16168116), (6, 13473430), (10, 8084058), (12, 6736715), (15, 5389372), (20, 4042029), (30, 2694686), (60, 1347343), (103, 784860), (127, 636540), (206, 392430), (254, 318270), (309, 261620), (381, 212180), (412, 196215), (508, 159135), (515, 156972), (618, 130810), (635, 127308), (762, 106090), (1030, 78486), (1236, 65405), (1270, 63654), (1524, 53045), (1545, 52324), (1905, 42436), (2060, 39243), (2540, 31827), (3090, 26162), (3810, 21218), (6180, 13081), (7620, 10609)]