161638020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39043}}^1$

素因数の和:39081

約数の個数: 72

約数和(自身を含む): 511632576

約数和(自身を除く): 349994556

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, 39043, 78086, 117129, 156172, 195215, 234258, 351387, 390430, 468516, 585645, 702774, 780860, 897989, 1171290, 1405548, 1756935, 1795978, 2342580, 2693967, 3513870, 3591956, 4489945, 5387934, 7027740, 8081901, 8979890, 10775868, 13469835, 16163802, 17959780, 26939670, 32327604, 40409505, 53879340, 80819010, 161638020]

約数ペア:

[(1, 161638020), (2, 80819010), (3, 53879340), (4, 40409505), (5, 32327604), (6, 26939670), (9, 17959780), (10, 16163802), (12, 13469835), (15, 10775868), (18, 8979890), (20, 8081901), (23, 7027740), (30, 5387934), (36, 4489945), (45, 3591956), (46, 3513870), (60, 2693967), (69, 2342580), (90, 1795978), (92, 1756935), (115, 1405548), (138, 1171290), (180, 897989), (207, 780860), (230, 702774), (276, 585645), (345, 468516), (414, 390430), (460, 351387), (690, 234258), (828, 195215), (1035, 156172), (1380, 117129), (2070, 78086), (4140, 39043)]