28164840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1$

素因数の和:1167

約数の個数: 128

約数和(自身を含む): 97113600

約数和(自身を除く): 68948760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 152, 165, 190, 209, 220, 228, 264, 285, 330, 380, 418, 440, 456, 570, 627, 660, 760, 836, 1045, 1123, 1140, 1254, 1320, 1672, 2090, 2246, 2280, 2508, 3135, 3369, 4180, 4492, 5016, 5615, 6270, 6738, 8360, 8984, 11230, 12353, 12540, 13476, 16845, 21337, 22460, 24706, 25080, 26952, 33690, 37059, 42674, 44920, 49412, 61765, 64011, 67380, 74118, 85348, 98824, 106685, 123530, 128022, 134760, 148236, 170696, 185295, 213370, 234707, 247060, 256044, 296472, 320055, 370590, 426740, 469414, 494120, 512088, 640110, 704121, 741180, 853480, 938828, 1173535, 1280220, 1408242, 1482360, 1877656, 2347070, 2560440, 2816484, 3520605, 4694140, 5632968, 7041210, 9388280, 14082420, 28164840]

約数ペア:

[(1, 28164840), (2, 14082420), (3, 9388280), (4, 7041210), (5, 5632968), (6, 4694140), (8, 3520605), (10, 2816484), (11, 2560440), (12, 2347070), (15, 1877656), (19, 1482360), (20, 1408242), (22, 1280220), (24, 1173535), (30, 938828), (33, 853480), (38, 741180), (40, 704121), (44, 640110), (55, 512088), (57, 494120), (60, 469414), (66, 426740), (76, 370590), (88, 320055), (95, 296472), (110, 256044), (114, 247060), (120, 234707), (132, 213370), (152, 185295), (165, 170696), (190, 148236), (209, 134760), (220, 128022), (228, 123530), (264, 106685), (285, 98824), (330, 85348), (380, 74118), (418, 67380), (440, 64011), (456, 61765), (570, 49412), (627, 44920), (660, 42674), (760, 37059), (836, 33690), (1045, 26952), (1123, 25080), (1140, 24706), (1254, 22460), (1320, 21337), (1672, 16845), (2090, 13476), (2246, 12540), (2280, 12353), (2508, 11230), (3135, 8984), (3369, 8360), (4180, 6738), (4492, 6270), (5016, 5615)]