27333680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 70308000

約数和(自身を除く): 42974320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 349, 356, 440, 445, 698, 712, 880, 890, 979, 1396, 1424, 1745, 1780, 1958, 2792, 3490, 3560, 3839, 3916, 4895, 5584, 6980, 7120, 7678, 7832, 9790, 13960, 15356, 15664, 19195, 19580, 27920, 30712, 31061, 38390, 39160, 61424, 62122, 76780, 78320, 124244, 153560, 155305, 248488, 307120, 310610, 341671, 496976, 621220, 683342, 1242440, 1366684, 1708355, 2484880, 2733368, 3416710, 5466736, 6833420, 13666840, 27333680]

約数ペア:

[(1, 27333680), (2, 13666840), (4, 6833420), (5, 5466736), (8, 3416710), (10, 2733368), (11, 2484880), (16, 1708355), (20, 1366684), (22, 1242440), (40, 683342), (44, 621220), (55, 496976), (80, 341671), (88, 310610), (89, 307120), (110, 248488), (176, 155305), (178, 153560), (220, 124244), (349, 78320), (356, 76780), (440, 62122), (445, 61424), (698, 39160), (712, 38390), (880, 31061), (890, 30712), (979, 27920), (1396, 19580), (1424, 19195), (1745, 15664), (1780, 15356), (1958, 13960), (2792, 9790), (3490, 7832), (3560, 7678), (3839, 7120), (3916, 6980), (4895, 5584)]