120778744

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1087}}^1$

素因数の和:1172

約数の個数: 64

約数和(自身を含む): 258508800

約数和(自身を除く): 137730056

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 43, 68, 76, 86, 136, 152, 172, 323, 344, 646, 731, 817, 1087, 1292, 1462, 1634, 2174, 2584, 2924, 3268, 4348, 5848, 6536, 8696, 13889, 18479, 20653, 27778, 36958, 41306, 46741, 55556, 73916, 82612, 93482, 111112, 147832, 165224, 186964, 351101, 373928, 702202, 794597, 888079, 1404404, 1589194, 1776158, 2808808, 3178388, 3552316, 6356776, 7104632, 15097343, 30194686, 60389372, 120778744]

約数ペア:

[(1, 120778744), (2, 60389372), (4, 30194686), (8, 15097343), (17, 7104632), (19, 6356776), (34, 3552316), (38, 3178388), (43, 2808808), (68, 1776158), (76, 1589194), (86, 1404404), (136, 888079), (152, 794597), (172, 702202), (323, 373928), (344, 351101), (646, 186964), (731, 165224), (817, 147832), (1087, 111112), (1292, 93482), (1462, 82612), (1634, 73916), (2174, 55556), (2584, 46741), (2924, 41306), (3268, 36958), (4348, 27778), (5848, 20653), (6536, 18479), (8696, 13889)]