81727440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{677}}^1$

素因数の和:1196

約数の個数: 80

約数和(自身を含む): 254233728

約数和(自身を除く): 172506288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 503, 677, 1006, 1354, 1509, 2012, 2031, 2515, 2708, 3018, 3385, 4024, 4062, 5030, 5416, 6036, 6770, 7545, 8048, 8124, 10060, 10155, 10832, 12072, 13540, 15090, 16248, 20120, 20310, 24144, 27080, 30180, 32496, 40240, 40620, 54160, 60360, 81240, 120720, 162480, 340531, 681062, 1021593, 1362124, 1702655, 2043186, 2724248, 3405310, 4086372, 5107965, 5448496, 6810620, 8172744, 10215930, 13621240, 16345488, 20431860, 27242480, 40863720, 81727440]

約数ペア:

[(1, 81727440), (2, 40863720), (3, 27242480), (4, 20431860), (5, 16345488), (6, 13621240), (8, 10215930), (10, 8172744), (12, 6810620), (15, 5448496), (16, 5107965), (20, 4086372), (24, 3405310), (30, 2724248), (40, 2043186), (48, 1702655), (60, 1362124), (80, 1021593), (120, 681062), (240, 340531), (503, 162480), (677, 120720), (1006, 81240), (1354, 60360), (1509, 54160), (2012, 40620), (2031, 40240), (2515, 32496), (2708, 30180), (3018, 27080), (3385, 24144), (4024, 20310), (4062, 20120), (5030, 16248), (5416, 15090), (6036, 13540), (6770, 12072), (7545, 10832), (8048, 10155), (8124, 10060)]