321017040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{449}}^1$

素因数の和:802

約数の個数: 160

約数和(自身を含む): 1111536000

約数和(自身を除く): 790518960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 331, 360, 432, 449, 540, 662, 720, 898, 993, 1080, 1324, 1347, 1655, 1796, 1986, 2160, 2245, 2648, 2694, 2979, 3310, 3592, 3972, 4041, 4490, 4965, 5296, 5388, 5958, 6620, 6735, 7184, 7944, 8082, 8937, 8980, 9930, 10776, 11916, 12123, 13240, 13470, 14895, 15888, 16164, 17874, 17960, 19860, 20205, 21552, 23832, 24246, 26480, 26940, 29790, 32328, 35748, 35920, 39720, 40410, 44685, 47664, 48492, 53880, 59580, 60615, 64656, 71496, 79440, 80820, 89370, 96984, 107760, 119160, 121230, 142992, 148619, 161640, 178740, 193968, 238320, 242460, 297238, 323280, 357480, 445857, 484920, 594476, 714960, 743095, 891714, 969840, 1188952, 1337571, 1486190, 1783428, 2229285, 2377904, 2675142, 2972380, 3566856, 4012713, 4458570, 5350284, 5944760, 6687855, 7133712, 8025426, 8917140, 10700568, 11889520, 13375710, 16050852, 17834280, 20063565, 21401136, 26751420, 32101704, 35668560, 40127130, 53502840, 64203408, 80254260, 107005680, 160508520, 321017040]

約数ペア:

[(1, 321017040), (2, 160508520), (3, 107005680), (4, 80254260), (5, 64203408), (6, 53502840), (8, 40127130), (9, 35668560), (10, 32101704), (12, 26751420), (15, 21401136), (16, 20063565), (18, 17834280), (20, 16050852), (24, 13375710), (27, 11889520), (30, 10700568), (36, 8917140), (40, 8025426), (45, 7133712), (48, 6687855), (54, 5944760), (60, 5350284), (72, 4458570), (80, 4012713), (90, 3566856), (108, 2972380), (120, 2675142), (135, 2377904), (144, 2229285), (180, 1783428), (216, 1486190), (240, 1337571), (270, 1188952), (331, 969840), (360, 891714), (432, 743095), (449, 714960), (540, 594476), (662, 484920), (720, 445857), (898, 357480), (993, 323280), (1080, 297238), (1324, 242460), (1347, 238320), (1655, 193968), (1796, 178740), (1986, 161640), (2160, 148619), (2245, 142992), (2648, 121230), (2694, 119160), (2979, 107760), (3310, 96984), (3592, 89370), (3972, 80820), (4041, 79440), (4490, 71496), (4965, 64656), (5296, 60615), (5388, 59580), (5958, 53880), (6620, 48492), (6735, 47664), (7184, 44685), (7944, 40410), (8082, 39720), (8937, 35920), (8980, 35748), (9930, 32328), (10776, 29790), (11916, 26940), (12123, 26480), (13240, 24246), (13470, 23832), (14895, 21552), (15888, 20205), (16164, 19860), (17874, 17960)]