66788800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^3\times {\mathrm{19}}^1$

素因数の和:80

約数の個数: 168

約数和(自身を含む): 187401200

約数和(自身を除く): 120612400

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, 169, 190, 200, 208, 247, 260, 304, 320, 325, 338, 380, 400, 416, 475, 494, 520, 608, 650, 676, 760, 800, 832, 845, 950, 988, 1040, 1216, 1235, 1300, 1352, 1520, 1600, 1690, 1900, 1976, 2080, 2197, 2470, 2600, 2704, 3040, 3211, 3380, 3800, 3952, 4160, 4225, 4394, 4940, 5200, 5408, 6080, 6175, 6422, 6760, 7600, 7904, 8450, 8788, 9880, 10400, 10816, 10985, 12350, 12844, 13520, 15200, 15808, 16055, 16900, 17576, 19760, 20800, 21970, 24700, 25688, 27040, 30400, 32110, 33800, 35152, 39520, 41743, 43940, 49400, 51376, 54080, 54925, 64220, 67600, 70304, 79040, 80275, 83486, 87880, 98800, 102752, 109850, 128440, 135200, 140608, 160550, 166972, 175760, 197600, 205504, 208715, 219700, 256880, 270400, 321100, 333944, 351520, 395200, 417430, 439400, 513760, 642200, 667888, 703040, 834860, 878800, 1027520, 1043575, 1284400, 1335776, 1669720, 1757600, 2087150, 2568800, 2671552, 3339440, 3515200, 4174300, 5137600, 6678880, 8348600, 13357760, 16697200, 33394400, 66788800]

約数ペア:

[(1, 66788800), (2, 33394400), (4, 16697200), (5, 13357760), (8, 8348600), (10, 6678880), (13, 5137600), (16, 4174300), (19, 3515200), (20, 3339440), (25, 2671552), (26, 2568800), (32, 2087150), (38, 1757600), (40, 1669720), (50, 1335776), (52, 1284400), (64, 1043575), (65, 1027520), (76, 878800), (80, 834860), (95, 703040), (100, 667888), (104, 642200), (130, 513760), (152, 439400), (160, 417430), (169, 395200), (190, 351520), (200, 333944), (208, 321100), (247, 270400), (260, 256880), (304, 219700), (320, 208715), (325, 205504), (338, 197600), (380, 175760), (400, 166972), (416, 160550), (475, 140608), (494, 135200), (520, 128440), (608, 109850), (650, 102752), (676, 98800), (760, 87880), (800, 83486), (832, 80275), (845, 79040), (950, 70304), (988, 67600), (1040, 64220), (1216, 54925), (1235, 54080), (1300, 51376), (1352, 49400), (1520, 43940), (1600, 41743), (1690, 39520), (1900, 35152), (1976, 33800), (2080, 32110), (2197, 30400), (2470, 27040), (2600, 25688), (2704, 24700), (3040, 21970), (3211, 20800), (3380, 19760), (3800, 17576), (3952, 16900), (4160, 16055), (4225, 15808), (4394, 15200), (4940, 13520), (5200, 12844), (5408, 12350), (6080, 10985), (6175, 10816), (6422, 10400), (6760, 9880), (7600, 8788), (7904, 8450)]