79739200

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 168

約数和(自身を含む): 214802720

約数和(自身を除く): 135063520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 43, 50, 61, 64, 76, 80, 86, 95, 100, 122, 152, 160, 172, 190, 200, 215, 244, 304, 305, 320, 344, 380, 400, 430, 475, 488, 608, 610, 688, 760, 800, 817, 860, 950, 976, 1075, 1159, 1216, 1220, 1376, 1520, 1525, 1600, 1634, 1720, 1900, 1952, 2150, 2318, 2440, 2623, 2752, 3040, 3050, 3268, 3440, 3800, 3904, 4085, 4300, 4636, 4880, 5246, 5795, 6080, 6100, 6536, 6880, 7600, 8170, 8600, 9272, 9760, 10492, 11590, 12200, 13072, 13115, 13760, 15200, 16340, 17200, 18544, 19520, 20425, 20984, 23180, 24400, 26144, 26230, 28975, 30400, 32680, 34400, 37088, 40850, 41968, 46360, 48800, 49837, 52288, 52460, 57950, 65360, 65575, 68800, 74176, 81700, 83936, 92720, 97600, 99674, 104920, 115900, 130720, 131150, 163400, 167872, 185440, 199348, 209840, 231800, 249185, 261440, 262300, 326800, 370880, 398696, 419680, 463600, 498370, 524600, 653600, 797392, 839360, 927200, 996740, 1049200, 1245925, 1307200, 1594784, 1854400, 1993480, 2098400, 2491850, 3189568, 3986960, 4196800, 4983700, 7973920, 9967400, 15947840, 19934800, 39869600, 79739200]

約数ペア:

[(1, 79739200), (2, 39869600), (4, 19934800), (5, 15947840), (8, 9967400), (10, 7973920), (16, 4983700), (19, 4196800), (20, 3986960), (25, 3189568), (32, 2491850), (38, 2098400), (40, 1993480), (43, 1854400), (50, 1594784), (61, 1307200), (64, 1245925), (76, 1049200), (80, 996740), (86, 927200), (95, 839360), (100, 797392), (122, 653600), (152, 524600), (160, 498370), (172, 463600), (190, 419680), (200, 398696), (215, 370880), (244, 326800), (304, 262300), (305, 261440), (320, 249185), (344, 231800), (380, 209840), (400, 199348), (430, 185440), (475, 167872), (488, 163400), (608, 131150), (610, 130720), (688, 115900), (760, 104920), (800, 99674), (817, 97600), (860, 92720), (950, 83936), (976, 81700), (1075, 74176), (1159, 68800), (1216, 65575), (1220, 65360), (1376, 57950), (1520, 52460), (1525, 52288), (1600, 49837), (1634, 48800), (1720, 46360), (1900, 41968), (1952, 40850), (2150, 37088), (2318, 34400), (2440, 32680), (2623, 30400), (2752, 28975), (3040, 26230), (3050, 26144), (3268, 24400), (3440, 23180), (3800, 20984), (3904, 20425), (4085, 19520), (4300, 18544), (4636, 17200), (4880, 16340), (5246, 15200), (5795, 13760), (6080, 13115), (6100, 13072), (6536, 12200), (6880, 11590), (7600, 10492), (8170, 9760), (8600, 9272)]