20122520320

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{45833}}^1$

素因数の和:45875

約数の個数: 144

約数和(自身を含む): 56210817600

約数和(自身を除く): 36088297280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 896, 980, 1120, 1280, 1372, 1568, 1715, 1792, 1960, 2240, 2744, 3136, 3430, 3920, 4480, 5488, 6272, 6860, 7840, 8960, 10976, 12544, 13720, 15680, 21952, 27440, 31360, 43904, 45833, 54880, 62720, 87808, 91666, 109760, 183332, 219520, 229165, 320831, 366664, 439040, 458330, 641662, 733328, 916660, 1283324, 1466656, 1604155, 1833320, 2245817, 2566648, 2933312, 3208310, 3666640, 4491634, 5133296, 5866624, 6416620, 7333280, 8983268, 10266592, 11229085, 11733248, 12833240, 14666560, 15720719, 17966536, 20533184, 22458170, 25666480, 29333120, 31441438, 35933072, 41066368, 44916340, 51332960, 58666240, 62882876, 71866144, 78603595, 82132736, 89832680, 102665920, 125765752, 143732288, 157207190, 179665360, 205331840, 251531504, 287464576, 314414380, 359330720, 410663680, 503063008, 574929152, 628828760, 718661440, 1006126016, 1257657520, 1437322880, 2012252032, 2515315040, 2874645760, 4024504064, 5030630080, 10061260160, 20122520320]

約数ペア:

[(1, 20122520320), (2, 10061260160), (4, 5030630080), (5, 4024504064), (7, 2874645760), (8, 2515315040), (10, 2012252032), (14, 1437322880), (16, 1257657520), (20, 1006126016), (28, 718661440), (32, 628828760), (35, 574929152), (40, 503063008), (49, 410663680), (56, 359330720), (64, 314414380), (70, 287464576), (80, 251531504), (98, 205331840), (112, 179665360), (128, 157207190), (140, 143732288), (160, 125765752), (196, 102665920), (224, 89832680), (245, 82132736), (256, 78603595), (280, 71866144), (320, 62882876), (343, 58666240), (392, 51332960), (448, 44916340), (490, 41066368), (560, 35933072), (640, 31441438), (686, 29333120), (784, 25666480), (896, 22458170), (980, 20533184), (1120, 17966536), (1280, 15720719), (1372, 14666560), (1568, 12833240), (1715, 11733248), (1792, 11229085), (1960, 10266592), (2240, 8983268), (2744, 7333280), (3136, 6416620), (3430, 5866624), (3920, 5133296), (4480, 4491634), (5488, 3666640), (6272, 3208310), (6860, 2933312), (7840, 2566648), (8960, 2245817), (10976, 1833320), (12544, 1604155), (13720, 1466656), (15680, 1283324), (21952, 916660), (27440, 733328), (31360, 641662), (43904, 458330), (45833, 439040), (54880, 366664), (62720, 320831), (87808, 229165), (91666, 219520), (109760, 183332)]