80995440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1201}}^1$

素因数の和:1498

約数の個数: 80

約数和(自身を含む): 252189216

約数和(自身を除く): 171193776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 281, 562, 843, 1124, 1201, 1405, 1686, 2248, 2402, 2810, 3372, 3603, 4215, 4496, 4804, 5620, 6005, 6744, 7206, 8430, 9608, 11240, 12010, 13488, 14412, 16860, 18015, 19216, 22480, 24020, 28824, 33720, 36030, 48040, 57648, 67440, 72060, 96080, 144120, 288240, 337481, 674962, 1012443, 1349924, 1687405, 2024886, 2699848, 3374810, 4049772, 5062215, 5399696, 6749620, 8099544, 10124430, 13499240, 16199088, 20248860, 26998480, 40497720, 80995440]

約数ペア:

[(1, 80995440), (2, 40497720), (3, 26998480), (4, 20248860), (5, 16199088), (6, 13499240), (8, 10124430), (10, 8099544), (12, 6749620), (15, 5399696), (16, 5062215), (20, 4049772), (24, 3374810), (30, 2699848), (40, 2024886), (48, 1687405), (60, 1349924), (80, 1012443), (120, 674962), (240, 337481), (281, 288240), (562, 144120), (843, 96080), (1124, 72060), (1201, 67440), (1405, 57648), (1686, 48040), (2248, 36030), (2402, 33720), (2810, 28824), (3372, 24020), (3603, 22480), (4215, 19216), (4496, 18015), (4804, 16860), (5620, 14412), (6005, 13488), (6744, 12010), (7206, 11240), (8430, 9608)]