28046640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{853}}^1$

素因数の和:1006

約数の個数: 80

約数和(自身を含む): 87681888

約数和(自身を除く): 59635248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 685, 822, 853, 1096, 1370, 1644, 1706, 2055, 2192, 2559, 2740, 3288, 3412, 4110, 4265, 5118, 5480, 6576, 6824, 8220, 8530, 10236, 10960, 12795, 13648, 16440, 17060, 20472, 25590, 32880, 34120, 40944, 51180, 68240, 102360, 116861, 204720, 233722, 350583, 467444, 584305, 701166, 934888, 1168610, 1402332, 1752915, 1869776, 2337220, 2804664, 3505830, 4674440, 5609328, 7011660, 9348880, 14023320, 28046640]

約数ペア:

[(1, 28046640), (2, 14023320), (3, 9348880), (4, 7011660), (5, 5609328), (6, 4674440), (8, 3505830), (10, 2804664), (12, 2337220), (15, 1869776), (16, 1752915), (20, 1402332), (24, 1168610), (30, 934888), (40, 701166), (48, 584305), (60, 467444), (80, 350583), (120, 233722), (137, 204720), (240, 116861), (274, 102360), (411, 68240), (548, 51180), (685, 40944), (822, 34120), (853, 32880), (1096, 25590), (1370, 20472), (1644, 17060), (1706, 16440), (2055, 13648), (2192, 12795), (2559, 10960), (2740, 10236), (3288, 8530), (3412, 8220), (4110, 6824), (4265, 6576), (5118, 5480)]