256651164

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:501

約数の個数: 216

約数和(自身を含む): 859797120

約数和(自身を除く): 603145956

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 38, 42, 44, 57, 63, 66, 76, 77, 84, 99, 114, 121, 126, 132, 133, 154, 171, 198, 209, 228, 231, 242, 252, 266, 308, 342, 363, 396, 399, 418, 443, 462, 484, 532, 627, 684, 693, 726, 798, 836, 847, 886, 924, 1089, 1197, 1254, 1329, 1386, 1452, 1463, 1596, 1694, 1772, 1881, 2178, 2299, 2394, 2508, 2541, 2658, 2772, 2926, 3101, 3388, 3762, 3987, 4356, 4389, 4598, 4788, 4873, 5082, 5316, 5852, 6202, 6897, 7524, 7623, 7974, 8417, 8778, 9196, 9303, 9746, 10164, 12404, 13167, 13794, 14619, 15246, 15948, 16093, 16834, 17556, 18606, 19492, 20691, 25251, 26334, 27588, 27909, 29238, 30492, 32186, 33668, 34111, 37212, 41382, 43857, 48279, 50502, 52668, 53603, 55818, 58476, 58919, 64372, 68222, 75753, 82764, 87714, 92587, 96558, 101004, 102333, 107206, 111636, 117838, 136444, 144837, 151506, 160809, 175428, 176757, 185174, 193116, 204666, 214412, 235676, 277761, 289674, 303012, 306999, 321618, 353514, 370348, 375221, 409332, 482427, 530271, 555522, 579348, 613998, 643236, 648109, 707028, 750442, 833283, 964854, 1018457, 1060542, 1111044, 1125663, 1227996, 1296218, 1500884, 1666566, 1929708, 1944327, 2036914, 2121084, 2251326, 2592436, 3055371, 3333132, 3376989, 3888654, 4073828, 4502652, 5832981, 6110742, 6753978, 7129199, 7777308, 9166113, 11665962, 12221484, 13507956, 14258398, 18332226, 21387597, 23331924, 28516796, 36664452, 42775194, 64162791, 85550388, 128325582, 256651164]

約数ペア:

[(1, 256651164), (2, 128325582), (3, 85550388), (4, 64162791), (6, 42775194), (7, 36664452), (9, 28516796), (11, 23331924), (12, 21387597), (14, 18332226), (18, 14258398), (19, 13507956), (21, 12221484), (22, 11665962), (28, 9166113), (33, 7777308), (36, 7129199), (38, 6753978), (42, 6110742), (44, 5832981), (57, 4502652), (63, 4073828), (66, 3888654), (76, 3376989), (77, 3333132), (84, 3055371), (99, 2592436), (114, 2251326), (121, 2121084), (126, 2036914), (132, 1944327), (133, 1929708), (154, 1666566), (171, 1500884), (198, 1296218), (209, 1227996), (228, 1125663), (231, 1111044), (242, 1060542), (252, 1018457), (266, 964854), (308, 833283), (342, 750442), (363, 707028), (396, 648109), (399, 643236), (418, 613998), (443, 579348), (462, 555522), (484, 530271), (532, 482427), (627, 409332), (684, 375221), (693, 370348), (726, 353514), (798, 321618), (836, 306999), (847, 303012), (886, 289674), (924, 277761), (1089, 235676), (1197, 214412), (1254, 204666), (1329, 193116), (1386, 185174), (1452, 176757), (1463, 175428), (1596, 160809), (1694, 151506), (1772, 144837), (1881, 136444), (2178, 117838), (2299, 111636), (2394, 107206), (2508, 102333), (2541, 101004), (2658, 96558), (2772, 92587), (2926, 87714), (3101, 82764), (3388, 75753), (3762, 68222), (3987, 64372), (4356, 58919), (4389, 58476), (4598, 55818), (4788, 53603), (4873, 52668), (5082, 50502), (5316, 48279), (5852, 43857), (6202, 41382), (6897, 37212), (7524, 34111), (7623, 33668), (7974, 32186), (8417, 30492), (8778, 29238), (9196, 27909), (9303, 27588), (9746, 26334), (10164, 25251), (12404, 20691), (13167, 19492), (13794, 18606), (14619, 17556), (15246, 16834), (15948, 16093)]