87931760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6827}}^1$

素因数の和:6870

約数の個数: 80

約数和(自身を含む): 243841536

約数和(自身を除く): 155909776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 6827, 12880, 13654, 27308, 34135, 47789, 54616, 68270, 95578, 109232, 136540, 157021, 191156, 238945, 273080, 314042, 382312, 477890, 546160, 628084, 764624, 785105, 955780, 1099147, 1256168, 1570210, 1911560, 2198294, 2512336, 3140420, 3823120, 4396588, 5495735, 6280840, 8793176, 10991470, 12561680, 17586352, 21982940, 43965880, 87931760]

約数ペア:

[(1, 87931760), (2, 43965880), (4, 21982940), (5, 17586352), (7, 12561680), (8, 10991470), (10, 8793176), (14, 6280840), (16, 5495735), (20, 4396588), (23, 3823120), (28, 3140420), (35, 2512336), (40, 2198294), (46, 1911560), (56, 1570210), (70, 1256168), (80, 1099147), (92, 955780), (112, 785105), (115, 764624), (140, 628084), (161, 546160), (184, 477890), (230, 382312), (280, 314042), (322, 273080), (368, 238945), (460, 191156), (560, 157021), (644, 136540), (805, 109232), (920, 95578), (1288, 68270), (1610, 54616), (1840, 47789), (2576, 34135), (3220, 27308), (6440, 13654), (6827, 12880)]