79441280

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:224

約数の個数: 128

約数和(自身を含む): 205632000

約数和(自身を除く): 126190720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 64, 76, 80, 94, 95, 128, 139, 152, 160, 188, 190, 235, 278, 304, 320, 376, 380, 470, 556, 608, 640, 695, 752, 760, 893, 940, 1112, 1216, 1390, 1504, 1520, 1786, 1880, 2224, 2432, 2641, 2780, 3008, 3040, 3572, 3760, 4448, 4465, 5282, 5560, 6016, 6080, 6533, 7144, 7520, 8896, 8930, 10564, 11120, 12160, 13066, 13205, 14288, 15040, 17792, 17860, 21128, 22240, 26132, 26410, 28576, 30080, 32665, 35720, 42256, 44480, 52264, 52820, 57152, 65330, 71440, 84512, 88960, 104528, 105640, 114304, 124127, 130660, 142880, 169024, 209056, 211280, 248254, 261320, 285760, 338048, 418112, 422560, 496508, 522640, 571520, 620635, 836224, 845120, 993016, 1045280, 1241270, 1690240, 1986032, 2090560, 2482540, 3972064, 4181120, 4965080, 7944128, 9930160, 15888256, 19860320, 39720640, 79441280]

約数ペア:

[(1, 79441280), (2, 39720640), (4, 19860320), (5, 15888256), (8, 9930160), (10, 7944128), (16, 4965080), (19, 4181120), (20, 3972064), (32, 2482540), (38, 2090560), (40, 1986032), (47, 1690240), (64, 1241270), (76, 1045280), (80, 993016), (94, 845120), (95, 836224), (128, 620635), (139, 571520), (152, 522640), (160, 496508), (188, 422560), (190, 418112), (235, 338048), (278, 285760), (304, 261320), (320, 248254), (376, 211280), (380, 209056), (470, 169024), (556, 142880), (608, 130660), (640, 124127), (695, 114304), (752, 105640), (760, 104528), (893, 88960), (940, 84512), (1112, 71440), (1216, 65330), (1390, 57152), (1504, 52820), (1520, 52264), (1786, 44480), (1880, 42256), (2224, 35720), (2432, 32665), (2641, 30080), (2780, 28576), (3008, 26410), (3040, 26132), (3572, 22240), (3760, 21128), (4448, 17860), (4465, 17792), (5282, 15040), (5560, 14288), (6016, 13205), (6080, 13066), (6533, 12160), (7144, 11120), (7520, 10564), (8896, 8930)]