2047760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 5624640

約数和(自身を除く): 3576880

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 179, 208, 220, 260, 286, 358, 440, 520, 572, 715, 716, 880, 895, 1040, 1144, 1430, 1432, 1790, 1969, 2288, 2327, 2860, 2864, 3580, 3938, 4654, 5720, 7160, 7876, 9308, 9845, 11440, 11635, 14320, 15752, 18616, 19690, 23270, 25597, 31504, 37232, 39380, 46540, 51194, 78760, 93080, 102388, 127985, 157520, 186160, 204776, 255970, 409552, 511940, 1023880, 2047760]

約数ペア:

[(1, 2047760), (2, 1023880), (4, 511940), (5, 409552), (8, 255970), (10, 204776), (11, 186160), (13, 157520), (16, 127985), (20, 102388), (22, 93080), (26, 78760), (40, 51194), (44, 46540), (52, 39380), (55, 37232), (65, 31504), (80, 25597), (88, 23270), (104, 19690), (110, 18616), (130, 15752), (143, 14320), (176, 11635), (179, 11440), (208, 9845), (220, 9308), (260, 7876), (286, 7160), (358, 5720), (440, 4654), (520, 3938), (572, 3580), (715, 2864), (716, 2860), (880, 2327), (895, 2288), (1040, 1969), (1144, 1790), (1430, 1432)]