87405660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{485587}}^1$

素因数の和:485602

約数の個数: 36

約数和(自身を含む): 265131048

約数和(自身を除く): 177725388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 485587, 971174, 1456761, 1942348, 2427935, 2913522, 4370283, 4855870, 5827044, 7283805, 8740566, 9711740, 14567610, 17481132, 21851415, 29135220, 43702830, 87405660]

約数ペア:

[(1, 87405660), (2, 43702830), (3, 29135220), (4, 21851415), (5, 17481132), (6, 14567610), (9, 9711740), (10, 8740566), (12, 7283805), (15, 5827044), (18, 4855870), (20, 4370283), (30, 2913522), (36, 2427935), (45, 1942348), (60, 1456761), (90, 971174), (180, 485587)]