68656840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1523}}^1$

素因数の和:1571

約数の個数: 96

約数和(自身を含む): 187634880

約数和(自身を除く): 118978040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 322, 392, 460, 490, 644, 805, 920, 980, 1127, 1288, 1523, 1610, 1960, 2254, 3046, 3220, 4508, 5635, 6092, 6440, 7615, 9016, 10661, 11270, 12184, 15230, 21322, 22540, 30460, 35029, 42644, 45080, 53305, 60920, 70058, 74627, 85288, 106610, 140116, 149254, 175145, 213220, 245203, 280232, 298508, 350290, 373135, 426440, 490406, 597016, 700580, 746270, 980812, 1226015, 1401160, 1492540, 1716421, 1961624, 2452030, 2985080, 3432842, 4904060, 6865684, 8582105, 9808120, 13731368, 17164210, 34328420, 68656840]

約数ペア:

[(1, 68656840), (2, 34328420), (4, 17164210), (5, 13731368), (7, 9808120), (8, 8582105), (10, 6865684), (14, 4904060), (20, 3432842), (23, 2985080), (28, 2452030), (35, 1961624), (40, 1716421), (46, 1492540), (49, 1401160), (56, 1226015), (70, 980812), (92, 746270), (98, 700580), (115, 597016), (140, 490406), (161, 426440), (184, 373135), (196, 350290), (230, 298508), (245, 280232), (280, 245203), (322, 213220), (392, 175145), (460, 149254), (490, 140116), (644, 106610), (805, 85288), (920, 74627), (980, 70058), (1127, 60920), (1288, 53305), (1523, 45080), (1610, 42644), (1960, 35029), (2254, 30460), (3046, 22540), (3220, 21322), (4508, 15230), (5635, 12184), (6092, 11270), (6440, 10661), (7615, 9016)]