81074140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1051}}^1$

素因数の和:1115

約数の個数: 96

約数和(自身を含む): 212083200

約数和(自身を除く): 131009060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 29, 35, 38, 58, 70, 76, 95, 116, 133, 140, 145, 190, 203, 266, 290, 380, 406, 532, 551, 580, 665, 812, 1015, 1051, 1102, 1330, 2030, 2102, 2204, 2660, 2755, 3857, 4060, 4204, 5255, 5510, 7357, 7714, 10510, 11020, 14714, 15428, 19285, 19969, 21020, 29428, 30479, 36785, 38570, 39938, 60958, 73570, 77140, 79876, 99845, 121916, 139783, 147140, 152395, 199690, 213353, 279566, 304790, 399380, 426706, 559132, 579101, 609580, 698915, 853412, 1066765, 1158202, 1397830, 2133530, 2316404, 2795660, 2895505, 4053707, 4267060, 5791010, 8107414, 11582020, 16214828, 20268535, 40537070, 81074140]

約数ペア:

[(1, 81074140), (2, 40537070), (4, 20268535), (5, 16214828), (7, 11582020), (10, 8107414), (14, 5791010), (19, 4267060), (20, 4053707), (28, 2895505), (29, 2795660), (35, 2316404), (38, 2133530), (58, 1397830), (70, 1158202), (76, 1066765), (95, 853412), (116, 698915), (133, 609580), (140, 579101), (145, 559132), (190, 426706), (203, 399380), (266, 304790), (290, 279566), (380, 213353), (406, 199690), (532, 152395), (551, 147140), (580, 139783), (665, 121916), (812, 99845), (1015, 79876), (1051, 77140), (1102, 73570), (1330, 60958), (2030, 39938), (2102, 38570), (2204, 36785), (2660, 30479), (2755, 29428), (3857, 21020), (4060, 19969), (4204, 19285), (5255, 15428), (5510, 14714), (7357, 11020), (7714, 10510)]