15953085520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{177889}}^1$

素因数の和:177980

約数の個数: 80

約数和(自身を含む): 39705048000

約数和(自身を除く): 23751962480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 59, 76, 80, 95, 118, 152, 190, 236, 295, 304, 380, 472, 590, 760, 944, 1121, 1180, 1520, 2242, 2360, 4484, 4720, 5605, 8968, 11210, 17936, 22420, 44840, 89680, 177889, 355778, 711556, 889445, 1423112, 1778890, 2846224, 3379891, 3557780, 6759782, 7115560, 10495451, 13519564, 14231120, 16899455, 20990902, 27039128, 33798910, 41981804, 52477255, 54078256, 67597820, 83963608, 104954510, 135195640, 167927216, 199413569, 209909020, 270391280, 398827138, 419818040, 797654276, 839636080, 997067845, 1595308552, 1994135690, 3190617104, 3988271380, 7976542760, 15953085520]

約数ペア:

[(1, 15953085520), (2, 7976542760), (4, 3988271380), (5, 3190617104), (8, 1994135690), (10, 1595308552), (16, 997067845), (19, 839636080), (20, 797654276), (38, 419818040), (40, 398827138), (59, 270391280), (76, 209909020), (80, 199413569), (95, 167927216), (118, 135195640), (152, 104954510), (190, 83963608), (236, 67597820), (295, 54078256), (304, 52477255), (380, 41981804), (472, 33798910), (590, 27039128), (760, 20990902), (944, 16899455), (1121, 14231120), (1180, 13519564), (1520, 10495451), (2242, 7115560), (2360, 6759782), (4484, 3557780), (4720, 3379891), (5605, 2846224), (8968, 1778890), (11210, 1423112), (17936, 889445), (22420, 711556), (44840, 355778), (89680, 177889)]