128438460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79283}}^1$

素因数の和:79304

約数の個数: 60

約数和(自身を含む): 402921288

約数和(自身を除く): 274482828

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, 79283, 158566, 237849, 317132, 396415, 475698, 713547, 792830, 951396, 1189245, 1427094, 1585660, 2140641, 2378490, 2854188, 3567735, 4281282, 4756980, 6421923, 7135470, 8562564, 10703205, 12843846, 14270940, 21406410, 25687692, 32109615, 42812820, 64219230, 128438460]

約数ペア:

[(1, 128438460), (2, 64219230), (3, 42812820), (4, 32109615), (5, 25687692), (6, 21406410), (9, 14270940), (10, 12843846), (12, 10703205), (15, 8562564), (18, 7135470), (20, 6421923), (27, 4756980), (30, 4281282), (36, 3567735), (45, 2854188), (54, 2378490), (60, 2140641), (81, 1585660), (90, 1427094), (108, 1189245), (135, 951396), (162, 792830), (180, 713547), (270, 475698), (324, 396415), (405, 317132), (540, 237849), (810, 158566), (1620, 79283)]