69531880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4271}}^1$

素因数の和:4330

約数の個数: 64

約数和(自身を含む): 175322880

約数和(自身を除く): 105791000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 4271, 8140, 8542, 16280, 17084, 21355, 34168, 42710, 46981, 85420, 93962, 158027, 170840, 187924, 234905, 316054, 375848, 469810, 632108, 790135, 939620, 1264216, 1580270, 1738297, 1879240, 3160540, 3476594, 6321080, 6953188, 8691485, 13906376, 17382970, 34765940, 69531880]

約数ペア:

[(1, 69531880), (2, 34765940), (4, 17382970), (5, 13906376), (8, 8691485), (10, 6953188), (11, 6321080), (20, 3476594), (22, 3160540), (37, 1879240), (40, 1738297), (44, 1580270), (55, 1264216), (74, 939620), (88, 790135), (110, 632108), (148, 469810), (185, 375848), (220, 316054), (296, 234905), (370, 187924), (407, 170840), (440, 158027), (740, 93962), (814, 85420), (1480, 46981), (1628, 42710), (2035, 34168), (3256, 21355), (4070, 17084), (4271, 16280), (8140, 8542)]