309186080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:491

約数の個数: 144

約数和(自身を含む): 859685400

約数和(自身を除く): 550499320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 113, 140, 160, 196, 224, 226, 245, 280, 349, 392, 452, 490, 560, 565, 698, 784, 791, 904, 980, 1120, 1130, 1396, 1568, 1582, 1745, 1808, 1960, 2260, 2443, 2792, 3164, 3490, 3616, 3920, 3955, 4520, 4886, 5537, 5584, 6328, 6980, 7840, 7910, 9040, 9772, 11074, 11168, 12215, 12656, 13960, 15820, 17101, 18080, 19544, 22148, 24430, 25312, 27685, 27920, 31640, 34202, 39088, 39437, 44296, 48860, 55370, 55840, 63280, 68404, 78176, 78874, 85505, 88592, 97720, 110740, 126560, 136808, 157748, 171010, 177184, 195440, 197185, 221480, 273616, 276059, 315496, 342020, 390880, 394370, 442960, 547232, 552118, 630992, 684040, 788740, 885920, 1104236, 1261984, 1368080, 1380295, 1577480, 1932413, 2208472, 2736160, 2760590, 3154960, 3864826, 4416944, 5521180, 6309920, 7729652, 8833888, 9662065, 11042360, 15459304, 19324130, 22084720, 30918608, 38648260, 44169440, 61837216, 77296520, 154593040, 309186080]

約数ペア:

[(1, 309186080), (2, 154593040), (4, 77296520), (5, 61837216), (7, 44169440), (8, 38648260), (10, 30918608), (14, 22084720), (16, 19324130), (20, 15459304), (28, 11042360), (32, 9662065), (35, 8833888), (40, 7729652), (49, 6309920), (56, 5521180), (70, 4416944), (80, 3864826), (98, 3154960), (112, 2760590), (113, 2736160), (140, 2208472), (160, 1932413), (196, 1577480), (224, 1380295), (226, 1368080), (245, 1261984), (280, 1104236), (349, 885920), (392, 788740), (452, 684040), (490, 630992), (560, 552118), (565, 547232), (698, 442960), (784, 394370), (791, 390880), (904, 342020), (980, 315496), (1120, 276059), (1130, 273616), (1396, 221480), (1568, 197185), (1582, 195440), (1745, 177184), (1808, 171010), (1960, 157748), (2260, 136808), (2443, 126560), (2792, 110740), (3164, 97720), (3490, 88592), (3616, 85505), (3920, 78874), (3955, 78176), (4520, 68404), (4886, 63280), (5537, 55840), (5584, 55370), (6328, 48860), (6980, 44296), (7840, 39437), (7910, 39088), (9040, 34202), (9772, 31640), (11074, 27920), (11168, 27685), (12215, 25312), (12656, 24430), (13960, 22148), (15820, 19544), (17101, 18080)]