86710400

素因数分解:

$2^7\times 5^2\times 7^3\times {\mathrm{79}}^1$

素因数の和:124

約数の個数: 192

約数和(自身を含む): 252960000

約数和(自身を除く): 166249600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 79, 80, 98, 100, 112, 128, 140, 158, 160, 175, 196, 200, 224, 245, 280, 316, 320, 343, 350, 392, 395, 400, 448, 490, 553, 560, 632, 640, 686, 700, 784, 790, 800, 896, 980, 1106, 1120, 1225, 1264, 1372, 1400, 1568, 1580, 1600, 1715, 1960, 1975, 2212, 2240, 2450, 2528, 2744, 2765, 2800, 3136, 3160, 3200, 3430, 3871, 3920, 3950, 4424, 4480, 4900, 5056, 5488, 5530, 5600, 6272, 6320, 6860, 7742, 7840, 7900, 8575, 8848, 9800, 10112, 10976, 11060, 11200, 12640, 13720, 13825, 15484, 15680, 15800, 17150, 17696, 19355, 19600, 21952, 22120, 22400, 25280, 27097, 27440, 27650, 30968, 31360, 31600, 34300, 35392, 38710, 39200, 43904, 44240, 50560, 54194, 54880, 55300, 61936, 63200, 68600, 70784, 77420, 78400, 88480, 96775, 108388, 109760, 110600, 123872, 126400, 135485, 137200, 154840, 156800, 176960, 193550, 216776, 219520, 221200, 247744, 252800, 270970, 274400, 309680, 353920, 387100, 433552, 442400, 495488, 541940, 548800, 619360, 677425, 774200, 867104, 884800, 1083880, 1097600, 1238720, 1354850, 1548400, 1734208, 1769600, 2167760, 2477440, 2709700, 3096800, 3468416, 4335520, 5419400, 6193600, 8671040, 10838800, 12387200, 17342080, 21677600, 43355200, 86710400]

約数ペア:

[(1, 86710400), (2, 43355200), (4, 21677600), (5, 17342080), (7, 12387200), (8, 10838800), (10, 8671040), (14, 6193600), (16, 5419400), (20, 4335520), (25, 3468416), (28, 3096800), (32, 2709700), (35, 2477440), (40, 2167760), (49, 1769600), (50, 1734208), (56, 1548400), (64, 1354850), (70, 1238720), (79, 1097600), (80, 1083880), (98, 884800), (100, 867104), (112, 774200), (128, 677425), (140, 619360), (158, 548800), (160, 541940), (175, 495488), (196, 442400), (200, 433552), (224, 387100), (245, 353920), (280, 309680), (316, 274400), (320, 270970), (343, 252800), (350, 247744), (392, 221200), (395, 219520), (400, 216776), (448, 193550), (490, 176960), (553, 156800), (560, 154840), (632, 137200), (640, 135485), (686, 126400), (700, 123872), (784, 110600), (790, 109760), (800, 108388), (896, 96775), (980, 88480), (1106, 78400), (1120, 77420), (1225, 70784), (1264, 68600), (1372, 63200), (1400, 61936), (1568, 55300), (1580, 54880), (1600, 54194), (1715, 50560), (1960, 44240), (1975, 43904), (2212, 39200), (2240, 38710), (2450, 35392), (2528, 34300), (2744, 31600), (2765, 31360), (2800, 30968), (3136, 27650), (3160, 27440), (3200, 27097), (3430, 25280), (3871, 22400), (3920, 22120), (3950, 21952), (4424, 19600), (4480, 19355), (4900, 17696), (5056, 17150), (5488, 15800), (5530, 15680), (5600, 15484), (6272, 13825), (6320, 13720), (6860, 12640), (7742, 11200), (7840, 11060), (7900, 10976), (8575, 10112), (8848, 9800)]