28956480

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:197

約数の個数: 224

約数和(自身を含む): 109240320

約数和(自身を除く): 80283840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 139, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 278, 280, 310, 320, 336, 372, 417, 420, 434, 448, 465, 480, 496, 556, 560, 620, 651, 672, 695, 744, 834, 840, 868, 930, 960, 973, 992, 1085, 1112, 1120, 1240, 1302, 1344, 1390, 1488, 1668, 1680, 1736, 1860, 1946, 1984, 2085, 2170, 2224, 2240, 2480, 2604, 2780, 2919, 2976, 3255, 3336, 3360, 3472, 3720, 3892, 4170, 4309, 4340, 4448, 4865, 4960, 5208, 5560, 5838, 5952, 6510, 6672, 6720, 6944, 7440, 7784, 8340, 8618, 8680, 8896, 9730, 9920, 10416, 11120, 11676, 12927, 13020, 13344, 13888, 14595, 14880, 15568, 16680, 17236, 17360, 19460, 20832, 21545, 22240, 23352, 25854, 26040, 26688, 29190, 29760, 30163, 31136, 33360, 34472, 34720, 38920, 41664, 43090, 44480, 46704, 51708, 52080, 58380, 60326, 62272, 64635, 66720, 68944, 69440, 77840, 86180, 90489, 93408, 103416, 104160, 116760, 120652, 129270, 133440, 137888, 150815, 155680, 172360, 180978, 186816, 206832, 208320, 233520, 241304, 258540, 275776, 301630, 311360, 344720, 361956, 413664, 452445, 467040, 482608, 517080, 603260, 689440, 723912, 827328, 904890, 934080, 965216, 1034160, 1206520, 1378880, 1447824, 1809780, 1930432, 2068320, 2413040, 2895648, 3619560, 4136640, 4826080, 5791296, 7239120, 9652160, 14478240, 28956480]

約数ペア:

[(1, 28956480), (2, 14478240), (3, 9652160), (4, 7239120), (5, 5791296), (6, 4826080), (7, 4136640), (8, 3619560), (10, 2895648), (12, 2413040), (14, 2068320), (15, 1930432), (16, 1809780), (20, 1447824), (21, 1378880), (24, 1206520), (28, 1034160), (30, 965216), (31, 934080), (32, 904890), (35, 827328), (40, 723912), (42, 689440), (48, 603260), (56, 517080), (60, 482608), (62, 467040), (64, 452445), (70, 413664), (80, 361956), (84, 344720), (93, 311360), (96, 301630), (105, 275776), (112, 258540), (120, 241304), (124, 233520), (139, 208320), (140, 206832), (155, 186816), (160, 180978), (168, 172360), (186, 155680), (192, 150815), (210, 137888), (217, 133440), (224, 129270), (240, 120652), (248, 116760), (278, 104160), (280, 103416), (310, 93408), (320, 90489), (336, 86180), (372, 77840), (417, 69440), (420, 68944), (434, 66720), (448, 64635), (465, 62272), (480, 60326), (496, 58380), (556, 52080), (560, 51708), (620, 46704), (651, 44480), (672, 43090), (695, 41664), (744, 38920), (834, 34720), (840, 34472), (868, 33360), (930, 31136), (960, 30163), (973, 29760), (992, 29190), (1085, 26688), (1112, 26040), (1120, 25854), (1240, 23352), (1302, 22240), (1344, 21545), (1390, 20832), (1488, 19460), (1668, 17360), (1680, 17236), (1736, 16680), (1860, 15568), (1946, 14880), (1984, 14595), (2085, 13888), (2170, 13344), (2224, 13020), (2240, 12927), (2480, 11676), (2604, 11120), (2780, 10416), (2919, 9920), (2976, 9730), (3255, 8896), (3336, 8680), (3360, 8618), (3472, 8340), (3720, 7784), (3892, 7440), (4170, 6944), (4309, 6720), (4340, 6672), (4448, 6510), (4865, 5952), (4960, 5838), (5208, 5560)]