68935140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{16651}}^1$

素因数の和:16689

約数の個数: 72

約数和(自身を含む): 218207808

約数和(自身を除く): 149272668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 16651, 33302, 49953, 66604, 83255, 99906, 149859, 166510, 199812, 249765, 299718, 333020, 382973, 499530, 599436, 749295, 765946, 999060, 1148919, 1498590, 1531892, 1914865, 2297838, 2997180, 3446757, 3829730, 4595676, 5744595, 6893514, 7659460, 11489190, 13787028, 17233785, 22978380, 34467570, 68935140]

約数ペア:

[(1, 68935140), (2, 34467570), (3, 22978380), (4, 17233785), (5, 13787028), (6, 11489190), (9, 7659460), (10, 6893514), (12, 5744595), (15, 4595676), (18, 3829730), (20, 3446757), (23, 2997180), (30, 2297838), (36, 1914865), (45, 1531892), (46, 1498590), (60, 1148919), (69, 999060), (90, 765946), (92, 749295), (115, 599436), (138, 499530), (180, 382973), (207, 333020), (230, 299718), (276, 249765), (345, 199812), (414, 166510), (460, 149859), (690, 99906), (828, 83255), (1035, 66604), (1380, 49953), (2070, 33302), (4140, 16651)]