647037216

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2309}}^1$

素因数の和:2471

約数の個数: 144

約数和(自身を含む): 2118916800

約数和(自身を除く): 1471879584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 139, 144, 168, 224, 252, 278, 288, 336, 417, 504, 556, 672, 834, 973, 1008, 1112, 1251, 1668, 1946, 2016, 2224, 2309, 2502, 2919, 3336, 3892, 4448, 4618, 5004, 5838, 6672, 6927, 7784, 8757, 9236, 10008, 11676, 13344, 13854, 15568, 16163, 17514, 18472, 20016, 20781, 23352, 27708, 31136, 32326, 35028, 36944, 40032, 41562, 46704, 48489, 55416, 64652, 70056, 73888, 83124, 93408, 96978, 110832, 129304, 140112, 145467, 166248, 193956, 221664, 258608, 280224, 290934, 320951, 332496, 387912, 517216, 581868, 641902, 664992, 775824, 962853, 1163736, 1283804, 1551648, 1925706, 2246657, 2327472, 2567608, 2888559, 3851412, 4493314, 4654944, 5135216, 5777118, 6739971, 7702824, 8986628, 10270432, 11554236, 13479942, 15405648, 17973256, 20219913, 23108472, 26959884, 30811296, 35946512, 40439826, 46216944, 53919768, 71893024, 80879652, 92433888, 107839536, 161759304, 215679072, 323518608, 647037216]

約数ペア:

[(1, 647037216), (2, 323518608), (3, 215679072), (4, 161759304), (6, 107839536), (7, 92433888), (8, 80879652), (9, 71893024), (12, 53919768), (14, 46216944), (16, 40439826), (18, 35946512), (21, 30811296), (24, 26959884), (28, 23108472), (32, 20219913), (36, 17973256), (42, 15405648), (48, 13479942), (56, 11554236), (63, 10270432), (72, 8986628), (84, 7702824), (96, 6739971), (112, 5777118), (126, 5135216), (139, 4654944), (144, 4493314), (168, 3851412), (224, 2888559), (252, 2567608), (278, 2327472), (288, 2246657), (336, 1925706), (417, 1551648), (504, 1283804), (556, 1163736), (672, 962853), (834, 775824), (973, 664992), (1008, 641902), (1112, 581868), (1251, 517216), (1668, 387912), (1946, 332496), (2016, 320951), (2224, 290934), (2309, 280224), (2502, 258608), (2919, 221664), (3336, 193956), (3892, 166248), (4448, 145467), (4618, 140112), (5004, 129304), (5838, 110832), (6672, 96978), (6927, 93408), (7784, 83124), (8757, 73888), (9236, 70056), (10008, 64652), (11676, 55416), (13344, 48489), (13854, 46704), (15568, 41562), (16163, 40032), (17514, 36944), (18472, 35028), (20016, 32326), (20781, 31136), (23352, 27708)]