7231280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 19790400

約数和(自身を除く): 12559120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 349, 370, 518, 560, 592, 698, 740, 1036, 1295, 1396, 1480, 1745, 2072, 2443, 2590, 2792, 2960, 3490, 4144, 4886, 5180, 5584, 6980, 9772, 10360, 12215, 12913, 13960, 19544, 20720, 24430, 25826, 27920, 39088, 48860, 51652, 64565, 90391, 97720, 103304, 129130, 180782, 195440, 206608, 258260, 361564, 451955, 516520, 723128, 903910, 1033040, 1446256, 1807820, 3615640, 7231280]

約数ペア:

[(1, 7231280), (2, 3615640), (4, 1807820), (5, 1446256), (7, 1033040), (8, 903910), (10, 723128), (14, 516520), (16, 451955), (20, 361564), (28, 258260), (35, 206608), (37, 195440), (40, 180782), (56, 129130), (70, 103304), (74, 97720), (80, 90391), (112, 64565), (140, 51652), (148, 48860), (185, 39088), (259, 27920), (280, 25826), (296, 24430), (349, 20720), (370, 19544), (518, 13960), (560, 12913), (592, 12215), (698, 10360), (740, 9772), (1036, 6980), (1295, 5584), (1396, 5180), (1480, 4886), (1745, 4144), (2072, 3490), (2443, 2960), (2590, 2792)]