77982400

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 168

約数和(自身を含む): 210897216

約数和(自身を除く): 132914816

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 47, 50, 61, 64, 68, 80, 85, 94, 100, 122, 136, 160, 170, 188, 200, 235, 244, 272, 305, 320, 340, 376, 400, 425, 470, 488, 544, 610, 680, 752, 799, 800, 850, 940, 976, 1037, 1088, 1175, 1220, 1360, 1504, 1525, 1598, 1600, 1700, 1880, 1952, 2074, 2350, 2440, 2720, 2867, 3008, 3050, 3196, 3400, 3760, 3904, 3995, 4148, 4700, 4880, 5185, 5440, 5734, 6100, 6392, 6800, 7520, 7990, 8296, 9400, 9760, 10370, 11468, 12200, 12784, 13600, 14335, 15040, 15980, 16592, 18800, 19520, 19975, 20740, 22936, 24400, 25568, 25925, 27200, 28670, 31960, 33184, 37600, 39950, 41480, 45872, 48739, 48800, 51136, 51850, 57340, 63920, 66368, 71675, 75200, 79900, 82960, 91744, 97478, 97600, 103700, 114680, 127840, 143350, 159800, 165920, 183488, 194956, 207400, 229360, 243695, 255680, 286700, 319600, 331840, 389912, 414800, 458720, 487390, 573400, 639200, 779824, 829600, 917440, 974780, 1146800, 1218475, 1278400, 1559648, 1659200, 1949560, 2293600, 2436950, 3119296, 3899120, 4587200, 4873900, 7798240, 9747800, 15596480, 19495600, 38991200, 77982400]

約数ペア:

[(1, 77982400), (2, 38991200), (4, 19495600), (5, 15596480), (8, 9747800), (10, 7798240), (16, 4873900), (17, 4587200), (20, 3899120), (25, 3119296), (32, 2436950), (34, 2293600), (40, 1949560), (47, 1659200), (50, 1559648), (61, 1278400), (64, 1218475), (68, 1146800), (80, 974780), (85, 917440), (94, 829600), (100, 779824), (122, 639200), (136, 573400), (160, 487390), (170, 458720), (188, 414800), (200, 389912), (235, 331840), (244, 319600), (272, 286700), (305, 255680), (320, 243695), (340, 229360), (376, 207400), (400, 194956), (425, 183488), (470, 165920), (488, 159800), (544, 143350), (610, 127840), (680, 114680), (752, 103700), (799, 97600), (800, 97478), (850, 91744), (940, 82960), (976, 79900), (1037, 75200), (1088, 71675), (1175, 66368), (1220, 63920), (1360, 57340), (1504, 51850), (1525, 51136), (1598, 48800), (1600, 48739), (1700, 45872), (1880, 41480), (1952, 39950), (2074, 37600), (2350, 33184), (2440, 31960), (2720, 28670), (2867, 27200), (3008, 25925), (3050, 25568), (3196, 24400), (3400, 22936), (3760, 20740), (3904, 19975), (3995, 19520), (4148, 18800), (4700, 16592), (4880, 15980), (5185, 15040), (5440, 14335), (5734, 13600), (6100, 12784), (6392, 12200), (6800, 11468), (7520, 10370), (7990, 9760), (8296, 9400)]