2780280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{7723}}^1$

素因数の和:7740

約数の個数: 48

約数和(自身を含む): 9037080

約数和(自身を除く): 6256800

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, 7723, 15446, 23169, 30892, 38615, 46338, 61784, 69507, 77230, 92676, 115845, 139014, 154460, 185352, 231690, 278028, 308920, 347535, 463380, 556056, 695070, 926760, 1390140, 2780280]

約数ペア:

[(1, 2780280), (2, 1390140), (3, 926760), (4, 695070), (5, 556056), (6, 463380), (8, 347535), (9, 308920), (10, 278028), (12, 231690), (15, 185352), (18, 154460), (20, 139014), (24, 115845), (30, 92676), (36, 77230), (40, 69507), (45, 61784), (60, 46338), (72, 38615), (90, 30892), (120, 23169), (180, 15446), (360, 7723)]