135880000

素因数分解:

$2^6\times 5^4\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 140

約数和(自身を含む): 349138240

約数和(自身を除く): 213258240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 79, 80, 86, 100, 125, 158, 160, 172, 200, 215, 250, 316, 320, 344, 395, 400, 430, 500, 625, 632, 688, 790, 800, 860, 1000, 1075, 1250, 1264, 1376, 1580, 1600, 1720, 1975, 2000, 2150, 2500, 2528, 2752, 3160, 3397, 3440, 3950, 4000, 4300, 5000, 5056, 5375, 6320, 6794, 6880, 7900, 8000, 8600, 9875, 10000, 10750, 12640, 13588, 13760, 15800, 16985, 17200, 19750, 20000, 21500, 25280, 26875, 27176, 31600, 33970, 34400, 39500, 40000, 43000, 49375, 53750, 54352, 63200, 67940, 68800, 79000, 84925, 86000, 98750, 107500, 108704, 126400, 135880, 158000, 169850, 172000, 197500, 215000, 217408, 271760, 316000, 339700, 344000, 395000, 424625, 430000, 543520, 632000, 679400, 790000, 849250, 860000, 1087040, 1358800, 1580000, 1698500, 1720000, 2123125, 2717600, 3160000, 3397000, 4246250, 5435200, 6794000, 8492500, 13588000, 16985000, 27176000, 33970000, 67940000, 135880000]

約数ペア:

[(1, 135880000), (2, 67940000), (4, 33970000), (5, 27176000), (8, 16985000), (10, 13588000), (16, 8492500), (20, 6794000), (25, 5435200), (32, 4246250), (40, 3397000), (43, 3160000), (50, 2717600), (64, 2123125), (79, 1720000), (80, 1698500), (86, 1580000), (100, 1358800), (125, 1087040), (158, 860000), (160, 849250), (172, 790000), (200, 679400), (215, 632000), (250, 543520), (316, 430000), (320, 424625), (344, 395000), (395, 344000), (400, 339700), (430, 316000), (500, 271760), (625, 217408), (632, 215000), (688, 197500), (790, 172000), (800, 169850), (860, 158000), (1000, 135880), (1075, 126400), (1250, 108704), (1264, 107500), (1376, 98750), (1580, 86000), (1600, 84925), (1720, 79000), (1975, 68800), (2000, 67940), (2150, 63200), (2500, 54352), (2528, 53750), (2752, 49375), (3160, 43000), (3397, 40000), (3440, 39500), (3950, 34400), (4000, 33970), (4300, 31600), (5000, 27176), (5056, 26875), (5375, 25280), (6320, 21500), (6794, 20000), (6880, 19750), (7900, 17200), (8000, 16985), (8600, 15800), (9875, 13760), (10000, 13588), (10750, 12640)]