86721480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{240893}}^1$

素因数の和:240910

約数の個数: 48

約数和(自身を含む): 281845980

約数和(自身を除く): 195124500

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, 240893, 481786, 722679, 963572, 1204465, 1445358, 1927144, 2168037, 2408930, 2890716, 3613395, 4336074, 4817860, 5781432, 7226790, 8672148, 9635720, 10840185, 14453580, 17344296, 21680370, 28907160, 43360740, 86721480]

約数ペア:

[(1, 86721480), (2, 43360740), (3, 28907160), (4, 21680370), (5, 17344296), (6, 14453580), (8, 10840185), (9, 9635720), (10, 8672148), (12, 7226790), (15, 5781432), (18, 4817860), (20, 4336074), (24, 3613395), (30, 2890716), (36, 2408930), (40, 2168037), (45, 1927144), (60, 1445358), (72, 1204465), (90, 963572), (120, 722679), (180, 481786), (360, 240893)]