180260280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{500723}}^1$

素因数の和:500740

約数の個数: 48

約数和(自身を含む): 585847080

約数和(自身を除く): 405586800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 500723, 1001446, 1502169, 2002892, 2503615, 3004338, 4005784, 4506507, 5007230, 6008676, 7510845, 9013014, 10014460, 12017352, 15021690, 18026028, 20028920, 22532535, 30043380, 36052056, 45065070, 60086760, 90130140, 180260280]

約数ペア:

[(1, 180260280), (2, 90130140), (3, 60086760), (4, 45065070), (5, 36052056), (6, 30043380), (8, 22532535), (9, 20028920), (10, 18026028), (12, 15021690), (15, 12017352), (18, 10014460), (20, 9013014), (24, 7510845), (30, 6008676), (36, 5007230), (40, 4506507), (45, 4005784), (60, 3004338), (72, 2503615), (90, 2002892), (120, 1502169), (180, 1001446), (360, 500723)]