256312728

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:487

約数の個数: 192

約数和(自身を含む): 843919200

約数和(自身を除く): 587606472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 61, 63, 72, 84, 98, 108, 122, 126, 147, 168, 183, 189, 196, 216, 244, 252, 294, 366, 378, 392, 397, 427, 441, 488, 504, 549, 588, 732, 756, 794, 854, 882, 1098, 1176, 1191, 1281, 1323, 1464, 1512, 1588, 1647, 1708, 1764, 2196, 2382, 2562, 2646, 2779, 2989, 3176, 3294, 3416, 3528, 3573, 3843, 4392, 4764, 5124, 5292, 5558, 5978, 6588, 7146, 7686, 8337, 8967, 9528, 10248, 10584, 10719, 11116, 11529, 11956, 13176, 14292, 15372, 16674, 17934, 19453, 21438, 22232, 23058, 23912, 24217, 25011, 26901, 28584, 30744, 33348, 35868, 38906, 42876, 46116, 48434, 50022, 53802, 58359, 66696, 71736, 72651, 75033, 77812, 80703, 85752, 92232, 96868, 100044, 107604, 116718, 145302, 150066, 155624, 161406, 169519, 175077, 193736, 200088, 215208, 217953, 233436, 290604, 300132, 322812, 339038, 350154, 435906, 466872, 508557, 525231, 581208, 600264, 645624, 653859, 678076, 700308, 871812, 1017114, 1050462, 1186633, 1307718, 1356152, 1400616, 1525671, 1743624, 2034228, 2100924, 2373266, 2615436, 3051342, 3559899, 4068456, 4201848, 4577013, 4746532, 5230872, 6102684, 7119798, 9154026, 9493064, 10679697, 12205368, 14239596, 18308052, 21359394, 28479192, 32039091, 36616104, 42718788, 64078182, 85437576, 128156364, 256312728]

約数ペア:

[(1, 256312728), (2, 128156364), (3, 85437576), (4, 64078182), (6, 42718788), (7, 36616104), (8, 32039091), (9, 28479192), (12, 21359394), (14, 18308052), (18, 14239596), (21, 12205368), (24, 10679697), (27, 9493064), (28, 9154026), (36, 7119798), (42, 6102684), (49, 5230872), (54, 4746532), (56, 4577013), (61, 4201848), (63, 4068456), (72, 3559899), (84, 3051342), (98, 2615436), (108, 2373266), (122, 2100924), (126, 2034228), (147, 1743624), (168, 1525671), (183, 1400616), (189, 1356152), (196, 1307718), (216, 1186633), (244, 1050462), (252, 1017114), (294, 871812), (366, 700308), (378, 678076), (392, 653859), (397, 645624), (427, 600264), (441, 581208), (488, 525231), (504, 508557), (549, 466872), (588, 435906), (732, 350154), (756, 339038), (794, 322812), (854, 300132), (882, 290604), (1098, 233436), (1176, 217953), (1191, 215208), (1281, 200088), (1323, 193736), (1464, 175077), (1512, 169519), (1588, 161406), (1647, 155624), (1708, 150066), (1764, 145302), (2196, 116718), (2382, 107604), (2562, 100044), (2646, 96868), (2779, 92232), (2989, 85752), (3176, 80703), (3294, 77812), (3416, 75033), (3528, 72651), (3573, 71736), (3843, 66696), (4392, 58359), (4764, 53802), (5124, 50022), (5292, 48434), (5558, 46116), (5978, 42876), (6588, 38906), (7146, 35868), (7686, 33348), (8337, 30744), (8967, 28584), (9528, 26901), (10248, 25011), (10584, 24217), (10719, 23912), (11116, 23058), (11529, 22232), (11956, 21438), (13176, 19453), (14292, 17934), (15372, 16674)]