2178726984

素因数分解:

$2^3\times 3^4\times 7^2\times {\mathrm{59}}^1\times {\mathrm{1163}}^1$

素因数の和:1254

約数の個数: 240

約数和(自身を含む): 7225297200

約数和(自身を除く): 5046570216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 59, 63, 72, 81, 84, 98, 108, 118, 126, 147, 162, 168, 177, 189, 196, 216, 236, 252, 294, 324, 354, 378, 392, 413, 441, 472, 504, 531, 567, 588, 648, 708, 756, 826, 882, 1062, 1134, 1163, 1176, 1239, 1323, 1416, 1512, 1593, 1652, 1764, 2124, 2268, 2326, 2478, 2646, 2891, 3186, 3304, 3489, 3528, 3717, 3969, 4248, 4536, 4652, 4779, 4956, 5292, 5782, 6372, 6978, 7434, 7938, 8141, 8673, 9304, 9558, 9912, 10467, 10584, 11151, 11564, 12744, 13956, 14868, 15876, 16282, 17346, 19116, 20934, 22302, 23128, 24423, 26019, 27912, 29736, 31401, 31752, 32564, 33453, 34692, 38232, 41868, 44604, 48846, 52038, 56987, 62802, 65128, 66906, 68617, 69384, 73269, 78057, 83736, 89208, 94203, 97692, 104076, 113974, 125604, 133812, 137234, 146538, 156114, 170961, 188406, 195384, 205851, 208152, 219807, 227948, 234171, 251208, 267624, 274468, 293076, 312228, 341922, 376812, 411702, 439614, 455896, 468342, 480319, 512883, 548936, 586152, 617553, 624456, 659421, 683844, 753624, 823404, 879228, 936684, 960638, 1025766, 1235106, 1318842, 1367688, 1440957, 1538649, 1646808, 1758456, 1852659, 1873368, 1921276, 2051532, 2470212, 2637684, 2881914, 3077298, 3362233, 3705318, 3842552, 4103064, 4322871, 4615947, 4940424, 5275368, 5557977, 5763828, 6154596, 6724466, 7410636, 8645742, 9231894, 10086699, 11115954, 11527656, 12309192, 12968613, 13448932, 14821272, 17291484, 18463788, 20173398, 22231908, 25937226, 26897864, 30260097, 34582968, 36927576, 38905839, 40346796, 44463816, 51874452, 60520194, 77811678, 80693592, 90780291, 103748904, 121040388, 155623356, 181560582, 242080776, 272340873, 311246712, 363121164, 544681746, 726242328, 1089363492, 2178726984]

約数ペア:

[(1, 2178726984), (2, 1089363492), (3, 726242328), (4, 544681746), (6, 363121164), (7, 311246712), (8, 272340873), (9, 242080776), (12, 181560582), (14, 155623356), (18, 121040388), (21, 103748904), (24, 90780291), (27, 80693592), (28, 77811678), (36, 60520194), (42, 51874452), (49, 44463816), (54, 40346796), (56, 38905839), (59, 36927576), (63, 34582968), (72, 30260097), (81, 26897864), (84, 25937226), (98, 22231908), (108, 20173398), (118, 18463788), (126, 17291484), (147, 14821272), (162, 13448932), (168, 12968613), (177, 12309192), (189, 11527656), (196, 11115954), (216, 10086699), (236, 9231894), (252, 8645742), (294, 7410636), (324, 6724466), (354, 6154596), (378, 5763828), (392, 5557977), (413, 5275368), (441, 4940424), (472, 4615947), (504, 4322871), (531, 4103064), (567, 3842552), (588, 3705318), (648, 3362233), (708, 3077298), (756, 2881914), (826, 2637684), (882, 2470212), (1062, 2051532), (1134, 1921276), (1163, 1873368), (1176, 1852659), (1239, 1758456), (1323, 1646808), (1416, 1538649), (1512, 1440957), (1593, 1367688), (1652, 1318842), (1764, 1235106), (2124, 1025766), (2268, 960638), (2326, 936684), (2478, 879228), (2646, 823404), (2891, 753624), (3186, 683844), (3304, 659421), (3489, 624456), (3528, 617553), (3717, 586152), (3969, 548936), (4248, 512883), (4536, 480319), (4652, 468342), (4779, 455896), (4956, 439614), (5292, 411702), (5782, 376812), (6372, 341922), (6978, 312228), (7434, 293076), (7938, 274468), (8141, 267624), (8673, 251208), (9304, 234171), (9558, 227948), (9912, 219807), (10467, 208152), (10584, 205851), (11151, 195384), (11564, 188406), (12744, 170961), (13956, 156114), (14868, 146538), (15876, 137234), (16282, 133812), (17346, 125604), (19116, 113974), (20934, 104076), (22302, 97692), (23128, 94203), (24423, 89208), (26019, 83736), (27912, 78057), (29736, 73269), (31401, 69384), (31752, 68617), (32564, 66906), (33453, 65128), (34692, 62802), (38232, 56987), (41868, 52038), (44604, 48846)]