785510240

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 192

約数和(自身を含む): 2043740160

約数和(自身を除く): 1258229920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 43, 58, 62, 80, 86, 116, 124, 127, 145, 155, 160, 172, 215, 232, 248, 254, 290, 310, 344, 430, 464, 496, 508, 580, 620, 635, 688, 860, 899, 928, 992, 1016, 1160, 1240, 1247, 1270, 1333, 1376, 1720, 1798, 2032, 2320, 2480, 2494, 2540, 2666, 3440, 3596, 3683, 3937, 4064, 4495, 4640, 4960, 4988, 5080, 5332, 5461, 6235, 6665, 6880, 7192, 7366, 7874, 8990, 9976, 10160, 10664, 10922, 12470, 13330, 14384, 14732, 15748, 17980, 18415, 19685, 19952, 20320, 21328, 21844, 24940, 26660, 27305, 28768, 29464, 31496, 35960, 36830, 38657, 39370, 39904, 42656, 43688, 49880, 53320, 54610, 58928, 62992, 71920, 73660, 77314, 78740, 87376, 99760, 106640, 109220, 114173, 117856, 125984, 143840, 147320, 154628, 157480, 158369, 169291, 174752, 193285, 199520, 213280, 218440, 228346, 294640, 309256, 314960, 316738, 338582, 386570, 436880, 456692, 570865, 589280, 618512, 629920, 633476, 677164, 773140, 791845, 846455, 873760, 913384, 1141730, 1237024, 1266952, 1354328, 1546280, 1583690, 1692910, 1826768, 2283460, 2533904, 2708656, 3092560, 3167380, 3385820, 3653536, 4566920, 4909439, 5067808, 5417312, 6185120, 6334760, 6771640, 9133840, 9818878, 12669520, 13543280, 18267680, 19637756, 24547195, 25339040, 27086560, 39275512, 49094390, 78551024, 98188780, 157102048, 196377560, 392755120, 785510240]

約数ペア:

[(1, 785510240), (2, 392755120), (4, 196377560), (5, 157102048), (8, 98188780), (10, 78551024), (16, 49094390), (20, 39275512), (29, 27086560), (31, 25339040), (32, 24547195), (40, 19637756), (43, 18267680), (58, 13543280), (62, 12669520), (80, 9818878), (86, 9133840), (116, 6771640), (124, 6334760), (127, 6185120), (145, 5417312), (155, 5067808), (160, 4909439), (172, 4566920), (215, 3653536), (232, 3385820), (248, 3167380), (254, 3092560), (290, 2708656), (310, 2533904), (344, 2283460), (430, 1826768), (464, 1692910), (496, 1583690), (508, 1546280), (580, 1354328), (620, 1266952), (635, 1237024), (688, 1141730), (860, 913384), (899, 873760), (928, 846455), (992, 791845), (1016, 773140), (1160, 677164), (1240, 633476), (1247, 629920), (1270, 618512), (1333, 589280), (1376, 570865), (1720, 456692), (1798, 436880), (2032, 386570), (2320, 338582), (2480, 316738), (2494, 314960), (2540, 309256), (2666, 294640), (3440, 228346), (3596, 218440), (3683, 213280), (3937, 199520), (4064, 193285), (4495, 174752), (4640, 169291), (4960, 158369), (4988, 157480), (5080, 154628), (5332, 147320), (5461, 143840), (6235, 125984), (6665, 117856), (6880, 114173), (7192, 109220), (7366, 106640), (7874, 99760), (8990, 87376), (9976, 78740), (10160, 77314), (10664, 73660), (10922, 71920), (12470, 62992), (13330, 58928), (14384, 54610), (14732, 53320), (15748, 49880), (17980, 43688), (18415, 42656), (19685, 39904), (19952, 39370), (20320, 38657), (21328, 36830), (21844, 35960), (24940, 31496), (26660, 29464), (27305, 28768)]