68369600

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:227

約数の個数: 168

約数和(自身を含む): 191810640

約数和(自身を除く): 123441040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 64, 65, 76, 80, 95, 100, 104, 130, 152, 160, 173, 190, 200, 208, 247, 260, 304, 320, 325, 346, 380, 400, 416, 475, 494, 520, 608, 650, 692, 760, 800, 832, 865, 950, 988, 1040, 1216, 1235, 1300, 1384, 1520, 1600, 1730, 1900, 1976, 2080, 2249, 2470, 2600, 2768, 3040, 3287, 3460, 3800, 3952, 4160, 4325, 4498, 4940, 5200, 5536, 6080, 6175, 6574, 6920, 7600, 7904, 8650, 8996, 9880, 10400, 11072, 11245, 12350, 13148, 13840, 15200, 15808, 16435, 17300, 17992, 19760, 20800, 22490, 24700, 26296, 27680, 30400, 32870, 34600, 35984, 39520, 42731, 44980, 49400, 52592, 55360, 56225, 65740, 69200, 71968, 79040, 82175, 85462, 89960, 98800, 105184, 112450, 131480, 138400, 143936, 164350, 170924, 179920, 197600, 210368, 213655, 224900, 262960, 276800, 328700, 341848, 359840, 395200, 427310, 449800, 525920, 657400, 683696, 719680, 854620, 899600, 1051840, 1068275, 1314800, 1367392, 1709240, 1799200, 2136550, 2629600, 2734784, 3418480, 3598400, 4273100, 5259200, 6836960, 8546200, 13673920, 17092400, 34184800, 68369600]

約数ペア:

[(1, 68369600), (2, 34184800), (4, 17092400), (5, 13673920), (8, 8546200), (10, 6836960), (13, 5259200), (16, 4273100), (19, 3598400), (20, 3418480), (25, 2734784), (26, 2629600), (32, 2136550), (38, 1799200), (40, 1709240), (50, 1367392), (52, 1314800), (64, 1068275), (65, 1051840), (76, 899600), (80, 854620), (95, 719680), (100, 683696), (104, 657400), (130, 525920), (152, 449800), (160, 427310), (173, 395200), (190, 359840), (200, 341848), (208, 328700), (247, 276800), (260, 262960), (304, 224900), (320, 213655), (325, 210368), (346, 197600), (380, 179920), (400, 170924), (416, 164350), (475, 143936), (494, 138400), (520, 131480), (608, 112450), (650, 105184), (692, 98800), (760, 89960), (800, 85462), (832, 82175), (865, 79040), (950, 71968), (988, 69200), (1040, 65740), (1216, 56225), (1235, 55360), (1300, 52592), (1384, 49400), (1520, 44980), (1600, 42731), (1730, 39520), (1900, 35984), (1976, 34600), (2080, 32870), (2249, 30400), (2470, 27680), (2600, 26296), (2768, 24700), (3040, 22490), (3287, 20800), (3460, 19760), (3800, 17992), (3952, 17300), (4160, 16435), (4325, 15808), (4498, 15200), (4940, 13840), (5200, 13148), (5536, 12350), (6080, 11245), (6175, 11072), (6574, 10400), (6920, 9880), (7600, 8996), (7904, 8650)]