16368880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 120

約数和(自身を含む): 44528400

約数和(自身を除く): 28159520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 89, 95, 110, 121, 152, 176, 178, 190, 209, 220, 242, 304, 356, 380, 418, 440, 445, 484, 605, 712, 760, 836, 880, 890, 968, 979, 1045, 1210, 1424, 1520, 1672, 1691, 1780, 1936, 1958, 2090, 2299, 2420, 3344, 3382, 3560, 3916, 4180, 4598, 4840, 4895, 6764, 7120, 7832, 8360, 8455, 9196, 9680, 9790, 10769, 11495, 13528, 15664, 16720, 16910, 18392, 18601, 19580, 21538, 22990, 27056, 33820, 36784, 37202, 39160, 43076, 45980, 53845, 67640, 74404, 78320, 86152, 91960, 93005, 107690, 135280, 148808, 172304, 183920, 186010, 204611, 215380, 297616, 372020, 409222, 430760, 744040, 818444, 861520, 1023055, 1488080, 1636888, 2046110, 3273776, 4092220, 8184440, 16368880]

約数ペア:

[(1, 16368880), (2, 8184440), (4, 4092220), (5, 3273776), (8, 2046110), (10, 1636888), (11, 1488080), (16, 1023055), (19, 861520), (20, 818444), (22, 744040), (38, 430760), (40, 409222), (44, 372020), (55, 297616), (76, 215380), (80, 204611), (88, 186010), (89, 183920), (95, 172304), (110, 148808), (121, 135280), (152, 107690), (176, 93005), (178, 91960), (190, 86152), (209, 78320), (220, 74404), (242, 67640), (304, 53845), (356, 45980), (380, 43076), (418, 39160), (440, 37202), (445, 36784), (484, 33820), (605, 27056), (712, 22990), (760, 21538), (836, 19580), (880, 18601), (890, 18392), (968, 16910), (979, 16720), (1045, 15664), (1210, 13528), (1424, 11495), (1520, 10769), (1672, 9790), (1691, 9680), (1780, 9196), (1936, 8455), (1958, 8360), (2090, 7832), (2299, 7120), (2420, 6764), (3344, 4895), (3382, 4840), (3560, 4598), (3916, 4180)]