1277263760

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{1291}}^1$

素因数の和:1536

約数の個数: 80

約数和(自身を含む): 3027931200

約数和(自身を除く): 1750667440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 149, 166, 298, 332, 415, 596, 664, 745, 830, 1192, 1291, 1328, 1490, 1660, 2384, 2582, 2980, 3320, 5164, 5960, 6455, 6640, 10328, 11920, 12367, 12910, 20656, 24734, 25820, 49468, 51640, 61835, 98936, 103280, 107153, 123670, 192359, 197872, 214306, 247340, 384718, 428612, 494680, 535765, 769436, 857224, 961795, 989360, 1071530, 1538872, 1714448, 1923590, 2143060, 3077744, 3847180, 4286120, 7694360, 8572240, 15388720, 15965797, 31931594, 63863188, 79828985, 127726376, 159657970, 255452752, 319315940, 638631880, 1277263760]

約数ペア:

[(1, 1277263760), (2, 638631880), (4, 319315940), (5, 255452752), (8, 159657970), (10, 127726376), (16, 79828985), (20, 63863188), (40, 31931594), (80, 15965797), (83, 15388720), (149, 8572240), (166, 7694360), (298, 4286120), (332, 3847180), (415, 3077744), (596, 2143060), (664, 1923590), (745, 1714448), (830, 1538872), (1192, 1071530), (1291, 989360), (1328, 961795), (1490, 857224), (1660, 769436), (2384, 535765), (2582, 494680), (2980, 428612), (3320, 384718), (5164, 247340), (5960, 214306), (6455, 197872), (6640, 192359), (10328, 123670), (11920, 107153), (12367, 103280), (12910, 98936), (20656, 61835), (24734, 51640), (25820, 49468)]