2137520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 6213888

約数和(自身を除く): 4076368

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 347, 385, 440, 560, 616, 694, 770, 880, 1232, 1388, 1540, 1735, 2429, 2776, 3080, 3470, 3817, 4858, 5552, 6160, 6940, 7634, 9716, 12145, 13880, 15268, 19085, 19432, 24290, 26719, 27760, 30536, 38170, 38864, 48580, 53438, 61072, 76340, 97160, 106876, 133595, 152680, 194320, 213752, 267190, 305360, 427504, 534380, 1068760, 2137520]

約数ペア:

[(1, 2137520), (2, 1068760), (4, 534380), (5, 427504), (7, 305360), (8, 267190), (10, 213752), (11, 194320), (14, 152680), (16, 133595), (20, 106876), (22, 97160), (28, 76340), (35, 61072), (40, 53438), (44, 48580), (55, 38864), (56, 38170), (70, 30536), (77, 27760), (80, 26719), (88, 24290), (110, 19432), (112, 19085), (140, 15268), (154, 13880), (176, 12145), (220, 9716), (280, 7634), (308, 6940), (347, 6160), (385, 5552), (440, 4858), (560, 3817), (616, 3470), (694, 3080), (770, 2776), (880, 2429), (1232, 1735), (1388, 1540)]