266966520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{491}}^1$

素因数の和:725

約数の個数: 128

約数和(自身を含む): 841674240

約数和(自身を除く): 574707720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 197, 230, 276, 345, 394, 460, 491, 552, 591, 690, 788, 920, 982, 985, 1182, 1380, 1473, 1576, 1964, 1970, 2364, 2455, 2760, 2946, 2955, 3928, 3940, 4531, 4728, 4910, 5892, 5910, 7365, 7880, 9062, 9820, 11293, 11784, 11820, 13593, 14730, 18124, 19640, 22586, 22655, 23640, 27186, 29460, 33879, 36248, 45172, 45310, 54372, 56465, 58920, 67758, 67965, 90344, 90620, 96727, 108744, 112930, 135516, 135930, 169395, 181240, 193454, 225860, 271032, 271860, 290181, 338790, 386908, 451720, 483635, 543720, 580362, 677580, 773816, 967270, 1160724, 1355160, 1450905, 1934540, 2224721, 2321448, 2901810, 3869080, 4449442, 5803620, 6674163, 8898884, 11123605, 11607240, 13348326, 17797768, 22247210, 26696652, 33370815, 44494420, 53393304, 66741630, 88988840, 133483260, 266966520]

約数ペア:

[(1, 266966520), (2, 133483260), (3, 88988840), (4, 66741630), (5, 53393304), (6, 44494420), (8, 33370815), (10, 26696652), (12, 22247210), (15, 17797768), (20, 13348326), (23, 11607240), (24, 11123605), (30, 8898884), (40, 6674163), (46, 5803620), (60, 4449442), (69, 3869080), (92, 2901810), (115, 2321448), (120, 2224721), (138, 1934540), (184, 1450905), (197, 1355160), (230, 1160724), (276, 967270), (345, 773816), (394, 677580), (460, 580362), (491, 543720), (552, 483635), (591, 451720), (690, 386908), (788, 338790), (920, 290181), (982, 271860), (985, 271032), (1182, 225860), (1380, 193454), (1473, 181240), (1576, 169395), (1964, 135930), (1970, 135516), (2364, 112930), (2455, 108744), (2760, 96727), (2946, 90620), (2955, 90344), (3928, 67965), (3940, 67758), (4531, 58920), (4728, 56465), (4910, 54372), (5892, 45310), (5910, 45172), (7365, 36248), (7880, 33879), (9062, 29460), (9820, 27186), (11293, 23640), (11784, 22655), (11820, 22586), (13593, 19640), (14730, 18124)]