79820280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{221723}}^1$

素因数の和:221740

約数の個数: 48

約数和(自身を含む): 259417080

約数和(自身を除く): 179596800

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, 221723, 443446, 665169, 886892, 1108615, 1330338, 1773784, 1995507, 2217230, 2660676, 3325845, 3991014, 4434460, 5321352, 6651690, 7982028, 8868920, 9977535, 13303380, 15964056, 19955070, 26606760, 39910140, 79820280]

約数ペア:

[(1, 79820280), (2, 39910140), (3, 26606760), (4, 19955070), (5, 15964056), (6, 13303380), (8, 9977535), (9, 8868920), (10, 7982028), (12, 6651690), (15, 5321352), (18, 4434460), (20, 3991014), (24, 3325845), (30, 2660676), (36, 2217230), (40, 1995507), (45, 1773784), (60, 1330338), (72, 1108615), (90, 886892), (120, 665169), (180, 443446), (360, 221723)]