15554955890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1\times {\mathrm{1009}}^1$

素因数の和:1827

約数の個数: 64

約数和(自身を含む): 29589477120

約数和(自身を除く): 14034521230

約数列:

[1, 2, 5, 10, 23, 46, 97, 115, 194, 230, 485, 691, 970, 1009, 1382, 2018, 2231, 3455, 4462, 5045, 6910, 10090, 11155, 15893, 22310, 23207, 31786, 46414, 67027, 79465, 97873, 116035, 134054, 158930, 195746, 232070, 335135, 489365, 670270, 697219, 978730, 1394438, 1541621, 2251079, 3083242, 3486095, 4502158, 6972190, 7708105, 11255395, 15416210, 16036037, 22510790, 32072074, 67630243, 80180185, 135260486, 160360370, 338151215, 676302430, 1555495589, 3110991178, 7777477945, 15554955890]

約数ペア:

[(1, 15554955890), (2, 7777477945), (5, 3110991178), (10, 1555495589), (23, 676302430), (46, 338151215), (97, 160360370), (115, 135260486), (194, 80180185), (230, 67630243), (485, 32072074), (691, 22510790), (970, 16036037), (1009, 15416210), (1382, 11255395), (2018, 7708105), (2231, 6972190), (3455, 4502158), (4462, 3486095), (5045, 3083242), (6910, 2251079), (10090, 1541621), (11155, 1394438), (15893, 978730), (22310, 697219), (23207, 670270), (31786, 489365), (46414, 335135), (67027, 232070), (79465, 195746), (97873, 158930), (116035, 134054)]