78543390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1279}}^1$

素因数の和:1401

約数の個数: 64

約数和(自身を含む): 199065600

約数和(自身を除く): 120522210

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 89, 115, 138, 178, 230, 267, 345, 445, 534, 690, 890, 1279, 1335, 2047, 2558, 2670, 3837, 4094, 6141, 6395, 7674, 10235, 12282, 12790, 19185, 20470, 29417, 30705, 38370, 58834, 61410, 88251, 113831, 147085, 176502, 227662, 294170, 341493, 441255, 569155, 682986, 882510, 1138310, 1707465, 2618113, 3414930, 5236226, 7854339, 13090565, 15708678, 26181130, 39271695, 78543390]

約数ペア:

[(1, 78543390), (2, 39271695), (3, 26181130), (5, 15708678), (6, 13090565), (10, 7854339), (15, 5236226), (23, 3414930), (30, 2618113), (46, 1707465), (69, 1138310), (89, 882510), (115, 682986), (138, 569155), (178, 441255), (230, 341493), (267, 294170), (345, 227662), (445, 176502), (534, 147085), (690, 113831), (890, 88251), (1279, 61410), (1335, 58834), (2047, 38370), (2558, 30705), (2670, 29417), (3837, 20470), (4094, 19185), (6141, 12790), (6395, 12282), (7674, 10235)]