90409680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{631}}^1$

素因数の和:849

約数の個数: 120

約数和(自身を含む): 305635200

約数和(自身を除く): 215225520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 199, 240, 360, 398, 597, 631, 720, 796, 995, 1194, 1262, 1592, 1791, 1893, 1990, 2388, 2524, 2985, 3155, 3184, 3582, 3786, 3980, 4776, 5048, 5679, 5970, 6310, 7164, 7572, 7960, 8955, 9465, 9552, 10096, 11358, 11940, 12620, 14328, 15144, 15920, 17910, 18930, 22716, 23880, 25240, 28395, 28656, 30288, 35820, 37860, 45432, 47760, 50480, 56790, 71640, 75720, 90864, 113580, 125569, 143280, 151440, 227160, 251138, 376707, 454320, 502276, 627845, 753414, 1004552, 1130121, 1255690, 1506828, 1883535, 2009104, 2260242, 2511380, 3013656, 3767070, 4520484, 5022760, 5650605, 6027312, 7534140, 9040968, 10045520, 11301210, 15068280, 18081936, 22602420, 30136560, 45204840, 90409680]

約数ペア:

[(1, 90409680), (2, 45204840), (3, 30136560), (4, 22602420), (5, 18081936), (6, 15068280), (8, 11301210), (9, 10045520), (10, 9040968), (12, 7534140), (15, 6027312), (16, 5650605), (18, 5022760), (20, 4520484), (24, 3767070), (30, 3013656), (36, 2511380), (40, 2260242), (45, 2009104), (48, 1883535), (60, 1506828), (72, 1255690), (80, 1130121), (90, 1004552), (120, 753414), (144, 627845), (180, 502276), (199, 454320), (240, 376707), (360, 251138), (398, 227160), (597, 151440), (631, 143280), (720, 125569), (796, 113580), (995, 90864), (1194, 75720), (1262, 71640), (1592, 56790), (1791, 50480), (1893, 47760), (1990, 45432), (2388, 37860), (2524, 35820), (2985, 30288), (3155, 28656), (3184, 28395), (3582, 25240), (3786, 23880), (3980, 22716), (4776, 18930), (5048, 17910), (5679, 15920), (5970, 15144), (6310, 14328), (7164, 12620), (7572, 11940), (7960, 11358), (8955, 10096), (9465, 9552)]