68900640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^2$

素因数の和:199

約数の個数: 144

約数和(自身を含む): 229376448

約数和(自身を除く): 160475808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 79, 80, 92, 96, 115, 120, 138, 158, 160, 184, 230, 237, 240, 276, 316, 345, 368, 395, 460, 474, 480, 552, 632, 690, 736, 790, 920, 948, 1104, 1185, 1264, 1380, 1580, 1817, 1840, 1896, 2208, 2370, 2528, 2760, 3160, 3634, 3680, 3792, 4740, 5451, 5520, 6241, 6320, 7268, 7584, 9085, 9480, 10902, 11040, 12482, 12640, 14536, 18170, 18723, 18960, 21804, 24964, 27255, 29072, 31205, 36340, 37446, 37920, 43608, 49928, 54510, 58144, 62410, 72680, 74892, 87216, 93615, 99856, 109020, 124820, 143543, 145360, 149784, 174432, 187230, 199712, 218040, 249640, 287086, 290720, 299568, 374460, 430629, 436080, 499280, 574172, 599136, 717715, 748920, 861258, 872160, 998560, 1148344, 1435430, 1497840, 1722516, 2153145, 2296688, 2870860, 2995680, 3445032, 4306290, 4593376, 5741720, 6890064, 8612580, 11483440, 13780128, 17225160, 22966880, 34450320, 68900640]

約数ペア:

[(1, 68900640), (2, 34450320), (3, 22966880), (4, 17225160), (5, 13780128), (6, 11483440), (8, 8612580), (10, 6890064), (12, 5741720), (15, 4593376), (16, 4306290), (20, 3445032), (23, 2995680), (24, 2870860), (30, 2296688), (32, 2153145), (40, 1722516), (46, 1497840), (48, 1435430), (60, 1148344), (69, 998560), (79, 872160), (80, 861258), (92, 748920), (96, 717715), (115, 599136), (120, 574172), (138, 499280), (158, 436080), (160, 430629), (184, 374460), (230, 299568), (237, 290720), (240, 287086), (276, 249640), (316, 218040), (345, 199712), (368, 187230), (395, 174432), (460, 149784), (474, 145360), (480, 143543), (552, 124820), (632, 109020), (690, 99856), (736, 93615), (790, 87216), (920, 74892), (948, 72680), (1104, 62410), (1185, 58144), (1264, 54510), (1380, 49928), (1580, 43608), (1817, 37920), (1840, 37446), (1896, 36340), (2208, 31205), (2370, 29072), (2528, 27255), (2760, 24964), (3160, 21804), (3634, 18960), (3680, 18723), (3792, 18170), (4740, 14536), (5451, 12640), (5520, 12482), (6241, 11040), (6320, 10902), (7268, 9480), (7584, 9085)]