81107460

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:567

約数の個数: 192

約数和(自身を含む): 295680000

約数和(自身を除く): 214572540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 54, 60, 63, 70, 84, 86, 90, 105, 108, 126, 129, 135, 140, 172, 180, 189, 210, 215, 252, 258, 270, 301, 315, 378, 387, 420, 430, 499, 516, 540, 602, 630, 645, 756, 774, 860, 903, 945, 998, 1161, 1204, 1260, 1290, 1497, 1505, 1548, 1806, 1890, 1935, 1996, 2322, 2495, 2580, 2709, 2994, 3010, 3493, 3612, 3780, 3870, 4491, 4515, 4644, 4990, 5418, 5805, 5988, 6020, 6986, 7485, 7740, 8127, 8982, 9030, 9980, 10479, 10836, 11610, 13473, 13545, 13972, 14970, 16254, 17465, 17964, 18060, 20958, 21457, 22455, 23220, 26946, 27090, 29940, 31437, 32508, 34930, 40635, 41916, 42914, 44910, 52395, 53892, 54180, 62874, 64371, 67365, 69860, 81270, 85828, 89820, 94311, 104790, 107285, 125748, 128742, 134730, 150199, 157185, 162540, 188622, 193113, 209580, 214570, 257484, 269460, 300398, 314370, 321855, 377244, 386226, 429140, 450597, 471555, 579339, 600796, 628740, 643710, 750995, 772452, 901194, 943110, 965565, 1158678, 1287420, 1351791, 1501990, 1802388, 1886220, 1931130, 2252985, 2317356, 2703582, 2896695, 3003980, 3862260, 4055373, 4505970, 5407164, 5793390, 6758955, 8110746, 9011940, 11586780, 13517910, 16221492, 20276865, 27035820, 40553730, 81107460]

約数ペア:

[(1, 81107460), (2, 40553730), (3, 27035820), (4, 20276865), (5, 16221492), (6, 13517910), (7, 11586780), (9, 9011940), (10, 8110746), (12, 6758955), (14, 5793390), (15, 5407164), (18, 4505970), (20, 4055373), (21, 3862260), (27, 3003980), (28, 2896695), (30, 2703582), (35, 2317356), (36, 2252985), (42, 1931130), (43, 1886220), (45, 1802388), (54, 1501990), (60, 1351791), (63, 1287420), (70, 1158678), (84, 965565), (86, 943110), (90, 901194), (105, 772452), (108, 750995), (126, 643710), (129, 628740), (135, 600796), (140, 579339), (172, 471555), (180, 450597), (189, 429140), (210, 386226), (215, 377244), (252, 321855), (258, 314370), (270, 300398), (301, 269460), (315, 257484), (378, 214570), (387, 209580), (420, 193113), (430, 188622), (499, 162540), (516, 157185), (540, 150199), (602, 134730), (630, 128742), (645, 125748), (756, 107285), (774, 104790), (860, 94311), (903, 89820), (945, 85828), (998, 81270), (1161, 69860), (1204, 67365), (1260, 64371), (1290, 62874), (1497, 54180), (1505, 53892), (1548, 52395), (1806, 44910), (1890, 42914), (1935, 41916), (1996, 40635), (2322, 34930), (2495, 32508), (2580, 31437), (2709, 29940), (2994, 27090), (3010, 26946), (3493, 23220), (3612, 22455), (3780, 21457), (3870, 20958), (4491, 18060), (4515, 17964), (4644, 17465), (4990, 16254), (5418, 14970), (5805, 13972), (5988, 13545), (6020, 13473), (6986, 11610), (7485, 10836), (7740, 10479), (8127, 9980), (8982, 9030)]