31642020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7643}}^1$

素因数の和:7681

約数の個数: 72

約数和(自身を含む): 100166976

約数和(自身を除く): 68524956

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, 7643, 15286, 22929, 30572, 38215, 45858, 68787, 76430, 91716, 114645, 137574, 152860, 175789, 229290, 275148, 343935, 351578, 458580, 527367, 687870, 703156, 878945, 1054734, 1375740, 1582101, 1757890, 2109468, 2636835, 3164202, 3515780, 5273670, 6328404, 7910505, 10547340, 15821010, 31642020]

約数ペア:

[(1, 31642020), (2, 15821010), (3, 10547340), (4, 7910505), (5, 6328404), (6, 5273670), (9, 3515780), (10, 3164202), (12, 2636835), (15, 2109468), (18, 1757890), (20, 1582101), (23, 1375740), (30, 1054734), (36, 878945), (45, 703156), (46, 687870), (60, 527367), (69, 458580), (90, 351578), (92, 343935), (115, 275148), (138, 229290), (180, 175789), (207, 152860), (230, 137574), (276, 114645), (345, 91716), (414, 76430), (460, 68787), (690, 45858), (828, 38215), (1035, 30572), (1380, 22929), (2070, 15286), (4140, 7643)]