331784460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13859}}^1$

素因数の和:13900

約数の個数: 144

約数和(自身を含む): 1210809600

約数和(自身を除く): 879025140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 11970, 13859, 23940, 27718, 41577, 55436, 69295, 83154, 97013, 124731, 138590, 166308, 194026, 207885, 249462, 263321, 277180, 291039, 388052, 415770, 485065, 498924, 526642, 582078, 623655, 789963, 831540, 873117, 970130, 1053284, 1164156, 1247310, 1316605, 1455195, 1579926, 1746234, 1843247, 1940260, 2369889, 2494620, 2633210, 2910390, 3159852, 3492468, 3686494, 3949815, 4365585, 4739778, 5266420, 5529741, 5820780, 7372988, 7899630, 8731170, 9216235, 9479556, 11059482, 11849445, 15799260, 16589223, 17462340, 18432470, 22118964, 23698890, 27648705, 33178446, 36864940, 47397780, 55297410, 66356892, 82946115, 110594820, 165892230, 331784460]

約数ペア:

[(1, 331784460), (2, 165892230), (3, 110594820), (4, 82946115), (5, 66356892), (6, 55297410), (7, 47397780), (9, 36864940), (10, 33178446), (12, 27648705), (14, 23698890), (15, 22118964), (18, 18432470), (19, 17462340), (20, 16589223), (21, 15799260), (28, 11849445), (30, 11059482), (35, 9479556), (36, 9216235), (38, 8731170), (42, 7899630), (45, 7372988), (57, 5820780), (60, 5529741), (63, 5266420), (70, 4739778), (76, 4365585), (84, 3949815), (90, 3686494), (95, 3492468), (105, 3159852), (114, 2910390), (126, 2633210), (133, 2494620), (140, 2369889), (171, 1940260), (180, 1843247), (190, 1746234), (210, 1579926), (228, 1455195), (252, 1316605), (266, 1247310), (285, 1164156), (315, 1053284), (342, 970130), (380, 873117), (399, 831540), (420, 789963), (532, 623655), (570, 582078), (630, 526642), (665, 498924), (684, 485065), (798, 415770), (855, 388052), (1140, 291039), (1197, 277180), (1260, 263321), (1330, 249462), (1596, 207885), (1710, 194026), (1995, 166308), (2394, 138590), (2660, 124731), (3420, 97013), (3990, 83154), (4788, 69295), (5985, 55436), (7980, 41577), (11970, 27718), (13859, 23940)]