680619996

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1070

約数の個数: 180

約数和(自身を含む): 2120027448

約数和(自身を除く): 1439407452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 49, 54, 63, 81, 84, 86, 98, 108, 126, 129, 147, 162, 172, 189, 196, 252, 258, 294, 301, 324, 378, 387, 441, 516, 567, 588, 602, 756, 774, 882, 903, 997, 1134, 1161, 1204, 1323, 1548, 1764, 1806, 1994, 2107, 2268, 2322, 2646, 2709, 2991, 3483, 3612, 3969, 3988, 4214, 4644, 5292, 5418, 5982, 6321, 6966, 6979, 7938, 8127, 8428, 8973, 10836, 11964, 12642, 13932, 13958, 15876, 16254, 17946, 18963, 20937, 24381, 25284, 26919, 27916, 32508, 35892, 37926, 41874, 42871, 48762, 48853, 53838, 56889, 62811, 75852, 80757, 83748, 85742, 97524, 97706, 107676, 113778, 125622, 128613, 146559, 161514, 170667, 171484, 188433, 195412, 227556, 251244, 257226, 293118, 300097, 323028, 341334, 376866, 385839, 439677, 514452, 565299, 586236, 600194, 682668, 753732, 771678, 879354, 900291, 1130598, 1157517, 1200388, 1319031, 1543356, 1758708, 1800582, 2100679, 2261196, 2315034, 2638062, 2700873, 3472551, 3601164, 3957093, 4201358, 4630068, 5276124, 5401746, 6302037, 6945102, 7914186, 8102619, 8402716, 10803492, 12604074, 13890204, 15828372, 16205238, 18906111, 24307857, 25208148, 32410476, 37812222, 48615714, 56718333, 75624444, 97231428, 113436666, 170154999, 226873332, 340309998, 680619996]

約数ペア:

[(1, 680619996), (2, 340309998), (3, 226873332), (4, 170154999), (6, 113436666), (7, 97231428), (9, 75624444), (12, 56718333), (14, 48615714), (18, 37812222), (21, 32410476), (27, 25208148), (28, 24307857), (36, 18906111), (42, 16205238), (43, 15828372), (49, 13890204), (54, 12604074), (63, 10803492), (81, 8402716), (84, 8102619), (86, 7914186), (98, 6945102), (108, 6302037), (126, 5401746), (129, 5276124), (147, 4630068), (162, 4201358), (172, 3957093), (189, 3601164), (196, 3472551), (252, 2700873), (258, 2638062), (294, 2315034), (301, 2261196), (324, 2100679), (378, 1800582), (387, 1758708), (441, 1543356), (516, 1319031), (567, 1200388), (588, 1157517), (602, 1130598), (756, 900291), (774, 879354), (882, 771678), (903, 753732), (997, 682668), (1134, 600194), (1161, 586236), (1204, 565299), (1323, 514452), (1548, 439677), (1764, 385839), (1806, 376866), (1994, 341334), (2107, 323028), (2268, 300097), (2322, 293118), (2646, 257226), (2709, 251244), (2991, 227556), (3483, 195412), (3612, 188433), (3969, 171484), (3988, 170667), (4214, 161514), (4644, 146559), (5292, 128613), (5418, 125622), (5982, 113778), (6321, 107676), (6966, 97706), (6979, 97524), (7938, 85742), (8127, 83748), (8428, 80757), (8973, 75852), (10836, 62811), (11964, 56889), (12642, 53838), (13932, 48853), (13958, 48762), (15876, 42871), (16254, 41874), (17946, 37926), (18963, 35892), (20937, 32508), (24381, 27916), (25284, 26919)]