1320233728

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{743}}^1$

素因数の和:1401

約数の個数: 72

約数和(自身を含む): 2883315456

約数和(自身を除く): 1563081728

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 631, 704, 743, 1262, 1408, 1486, 2524, 2816, 2972, 5048, 5944, 6941, 8173, 10096, 11888, 13882, 16346, 20192, 23776, 27764, 32692, 40384, 47552, 55528, 65384, 80768, 95104, 111056, 130768, 161536, 190208, 222112, 261536, 444224, 468833, 523072, 888448, 937666, 1046144, 1776896, 1875332, 2092288, 3750664, 5157163, 7501328, 10314326, 15002656, 20628652, 30005312, 41257304, 60010624, 82514608, 120021248, 165029216, 330058432, 660116864, 1320233728]

約数ペア:

[(1, 1320233728), (2, 660116864), (4, 330058432), (8, 165029216), (11, 120021248), (16, 82514608), (22, 60010624), (32, 41257304), (44, 30005312), (64, 20628652), (88, 15002656), (128, 10314326), (176, 7501328), (256, 5157163), (352, 3750664), (631, 2092288), (704, 1875332), (743, 1776896), (1262, 1046144), (1408, 937666), (1486, 888448), (2524, 523072), (2816, 468833), (2972, 444224), (5048, 261536), (5944, 222112), (6941, 190208), (8173, 161536), (10096, 130768), (11888, 111056), (13882, 95104), (16346, 80768), (20192, 65384), (23776, 55528), (27764, 47552), (32692, 40384)]