81440352

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:258

約数の個数: 216

約数和(自身を含む): 280098000

約数和(自身を除く): 198657648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 32, 36, 42, 48, 49, 56, 58, 63, 72, 84, 87, 96, 98, 112, 116, 126, 144, 147, 168, 174, 196, 199, 203, 224, 232, 252, 261, 288, 294, 336, 348, 392, 398, 406, 441, 464, 504, 522, 588, 597, 609, 672, 696, 784, 796, 812, 882, 928, 1008, 1044, 1176, 1194, 1218, 1392, 1393, 1421, 1568, 1592, 1624, 1764, 1791, 1827, 2016, 2088, 2352, 2388, 2436, 2784, 2786, 2842, 3184, 3248, 3528, 3582, 3654, 4176, 4179, 4263, 4704, 4776, 4872, 5572, 5684, 5771, 6368, 6496, 7056, 7164, 7308, 8352, 8358, 8526, 9552, 9744, 9751, 11144, 11368, 11542, 12537, 12789, 14112, 14328, 14616, 16716, 17052, 17313, 19104, 19488, 19502, 22288, 22736, 23084, 25074, 25578, 28656, 29232, 29253, 33432, 34104, 34626, 39004, 40397, 44576, 45472, 46168, 50148, 51156, 51939, 57312, 58464, 58506, 66864, 68208, 69252, 78008, 80794, 87759, 92336, 100296, 102312, 103878, 117012, 121191, 133728, 136416, 138504, 156016, 161588, 175518, 184672, 200592, 204624, 207756, 234024, 242382, 277008, 282779, 312032, 323176, 351036, 363573, 401184, 409248, 415512, 468048, 484764, 554016, 565558, 646352, 702072, 727146, 831024, 848337, 936096, 969528, 1131116, 1292704, 1404144, 1454292, 1662048, 1696674, 1939056, 2262232, 2545011, 2808288, 2908584, 3393348, 3878112, 4524464, 5090022, 5817168, 6786696, 9048928, 10180044, 11634336, 13573392, 20360088, 27146784, 40720176, 81440352]

約数ペア:

[(1, 81440352), (2, 40720176), (3, 27146784), (4, 20360088), (6, 13573392), (7, 11634336), (8, 10180044), (9, 9048928), (12, 6786696), (14, 5817168), (16, 5090022), (18, 4524464), (21, 3878112), (24, 3393348), (28, 2908584), (29, 2808288), (32, 2545011), (36, 2262232), (42, 1939056), (48, 1696674), (49, 1662048), (56, 1454292), (58, 1404144), (63, 1292704), (72, 1131116), (84, 969528), (87, 936096), (96, 848337), (98, 831024), (112, 727146), (116, 702072), (126, 646352), (144, 565558), (147, 554016), (168, 484764), (174, 468048), (196, 415512), (199, 409248), (203, 401184), (224, 363573), (232, 351036), (252, 323176), (261, 312032), (288, 282779), (294, 277008), (336, 242382), (348, 234024), (392, 207756), (398, 204624), (406, 200592), (441, 184672), (464, 175518), (504, 161588), (522, 156016), (588, 138504), (597, 136416), (609, 133728), (672, 121191), (696, 117012), (784, 103878), (796, 102312), (812, 100296), (882, 92336), (928, 87759), (1008, 80794), (1044, 78008), (1176, 69252), (1194, 68208), (1218, 66864), (1392, 58506), (1393, 58464), (1421, 57312), (1568, 51939), (1592, 51156), (1624, 50148), (1764, 46168), (1791, 45472), (1827, 44576), (2016, 40397), (2088, 39004), (2352, 34626), (2388, 34104), (2436, 33432), (2784, 29253), (2786, 29232), (2842, 28656), (3184, 25578), (3248, 25074), (3528, 23084), (3582, 22736), (3654, 22288), (4176, 19502), (4179, 19488), (4263, 19104), (4704, 17313), (4776, 17052), (4872, 16716), (5572, 14616), (5684, 14328), (5771, 14112), (6368, 12789), (6496, 12537), (7056, 11542), (7164, 11368), (7308, 11144), (8352, 9751), (8358, 9744), (8526, 9552)]