221565456

素因数分解:

$2^4\times 3^5\times 7^2\times {\mathrm{1163}}^1$

素因数の和:1200

約数の個数: 180

約数和(自身を含む): 748670832

約数和(自身を除く): 527105376

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 98, 108, 112, 126, 144, 147, 162, 168, 189, 196, 216, 243, 252, 294, 324, 336, 378, 392, 432, 441, 486, 504, 567, 588, 648, 756, 784, 882, 972, 1008, 1134, 1163, 1176, 1296, 1323, 1512, 1701, 1764, 1944, 2268, 2326, 2352, 2646, 3024, 3402, 3489, 3528, 3888, 3969, 4536, 4652, 5292, 6804, 6978, 7056, 7938, 8141, 9072, 9304, 10467, 10584, 11907, 13608, 13956, 15876, 16282, 18608, 20934, 21168, 23814, 24423, 27216, 27912, 31401, 31752, 32564, 41868, 47628, 48846, 55824, 56987, 62802, 63504, 65128, 73269, 83736, 94203, 95256, 97692, 113974, 125604, 130256, 146538, 167472, 170961, 188406, 190512, 195384, 219807, 227948, 251208, 282609, 293076, 341922, 376812, 390768, 439614, 455896, 502416, 512883, 565218, 586152, 659421, 683844, 753624, 879228, 911792, 1025766, 1130436, 1172304, 1318842, 1367688, 1507248, 1538649, 1758456, 1978263, 2051532, 2260872, 2637684, 2735376, 3077298, 3516912, 3956526, 4103064, 4521744, 4615947, 5275368, 6154596, 7913052, 8206128, 9231894, 10550736, 12309192, 13847841, 15826104, 18463788, 24618384, 27695682, 31652208, 36927576, 55391364, 73855152, 110782728, 221565456]

約数ペア:

[(1, 221565456), (2, 110782728), (3, 73855152), (4, 55391364), (6, 36927576), (7, 31652208), (8, 27695682), (9, 24618384), (12, 18463788), (14, 15826104), (16, 13847841), (18, 12309192), (21, 10550736), (24, 9231894), (27, 8206128), (28, 7913052), (36, 6154596), (42, 5275368), (48, 4615947), (49, 4521744), (54, 4103064), (56, 3956526), (63, 3516912), (72, 3077298), (81, 2735376), (84, 2637684), (98, 2260872), (108, 2051532), (112, 1978263), (126, 1758456), (144, 1538649), (147, 1507248), (162, 1367688), (168, 1318842), (189, 1172304), (196, 1130436), (216, 1025766), (243, 911792), (252, 879228), (294, 753624), (324, 683844), (336, 659421), (378, 586152), (392, 565218), (432, 512883), (441, 502416), (486, 455896), (504, 439614), (567, 390768), (588, 376812), (648, 341922), (756, 293076), (784, 282609), (882, 251208), (972, 227948), (1008, 219807), (1134, 195384), (1163, 190512), (1176, 188406), (1296, 170961), (1323, 167472), (1512, 146538), (1701, 130256), (1764, 125604), (1944, 113974), (2268, 97692), (2326, 95256), (2352, 94203), (2646, 83736), (3024, 73269), (3402, 65128), (3489, 63504), (3528, 62802), (3888, 56987), (3969, 55824), (4536, 48846), (4652, 47628), (5292, 41868), (6804, 32564), (6978, 31752), (7056, 31401), (7938, 27912), (8141, 27216), (9072, 24423), (9304, 23814), (10467, 21168), (10584, 20934), (11907, 18608), (13608, 16282), (13956, 15876)]