278891424

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:857

約数の個数: 240

約数和(自身を含む): 987940800

約数和(自身を除く): 709049376

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 32, 36, 38, 42, 48, 54, 56, 57, 63, 72, 76, 81, 84, 96, 108, 112, 114, 126, 133, 144, 152, 162, 168, 171, 189, 216, 224, 228, 252, 266, 288, 304, 324, 336, 342, 378, 399, 432, 456, 504, 513, 532, 567, 608, 648, 672, 684, 756, 798, 809, 864, 912, 1008, 1026, 1064, 1134, 1197, 1296, 1368, 1512, 1539, 1596, 1618, 1824, 2016, 2052, 2128, 2268, 2394, 2427, 2592, 2736, 3024, 3078, 3192, 3236, 3591, 4104, 4256, 4536, 4788, 4854, 5472, 5663, 6048, 6156, 6384, 6472, 7182, 7281, 8208, 9072, 9576, 9708, 10773, 11326, 12312, 12768, 12944, 14364, 14562, 15371, 16416, 16989, 18144, 19152, 19416, 21546, 21843, 22652, 24624, 25888, 28728, 29124, 30742, 33978, 38304, 38832, 43092, 43686, 45304, 46113, 49248, 50967, 57456, 58248, 61484, 65529, 67956, 77664, 86184, 87372, 90608, 92226, 101934, 107597, 114912, 116496, 122968, 131058, 135912, 138339, 152901, 172368, 174744, 181216, 184452, 203868, 215194, 232992, 245936, 262116, 271824, 276678, 305802, 322791, 344736, 349488, 368904, 407736, 415017, 430388, 458703, 491872, 524232, 543648, 553356, 611604, 645582, 698976, 737808, 815472, 830034, 860776, 917406, 968373, 1048464, 1106712, 1223208, 1245051, 1291164, 1475616, 1630944, 1660068, 1721552, 1834812, 1936746, 2096928, 2213424, 2446416, 2490102, 2582328, 2905119, 3320136, 3443104, 3669624, 3873492, 4426848, 4892832, 4980204, 5164656, 5810238, 6640272, 7339248, 7746984, 8715357, 9960408, 10329312, 11620476, 13280544, 14678496, 15493968, 17430714, 19920816, 23240952, 30987936, 34861428, 39841632, 46481904, 69722856, 92963808, 139445712, 278891424]

約数ペア:

[(1, 278891424), (2, 139445712), (3, 92963808), (4, 69722856), (6, 46481904), (7, 39841632), (8, 34861428), (9, 30987936), (12, 23240952), (14, 19920816), (16, 17430714), (18, 15493968), (19, 14678496), (21, 13280544), (24, 11620476), (27, 10329312), (28, 9960408), (32, 8715357), (36, 7746984), (38, 7339248), (42, 6640272), (48, 5810238), (54, 5164656), (56, 4980204), (57, 4892832), (63, 4426848), (72, 3873492), (76, 3669624), (81, 3443104), (84, 3320136), (96, 2905119), (108, 2582328), (112, 2490102), (114, 2446416), (126, 2213424), (133, 2096928), (144, 1936746), (152, 1834812), (162, 1721552), (168, 1660068), (171, 1630944), (189, 1475616), (216, 1291164), (224, 1245051), (228, 1223208), (252, 1106712), (266, 1048464), (288, 968373), (304, 917406), (324, 860776), (336, 830034), (342, 815472), (378, 737808), (399, 698976), (432, 645582), (456, 611604), (504, 553356), (513, 543648), (532, 524232), (567, 491872), (608, 458703), (648, 430388), (672, 415017), (684, 407736), (756, 368904), (798, 349488), (809, 344736), (864, 322791), (912, 305802), (1008, 276678), (1026, 271824), (1064, 262116), (1134, 245936), (1197, 232992), (1296, 215194), (1368, 203868), (1512, 184452), (1539, 181216), (1596, 174744), (1618, 172368), (1824, 152901), (2016, 138339), (2052, 135912), (2128, 131058), (2268, 122968), (2394, 116496), (2427, 114912), (2592, 107597), (2736, 101934), (3024, 92226), (3078, 90608), (3192, 87372), (3236, 86184), (3591, 77664), (4104, 67956), (4256, 65529), (4536, 61484), (4788, 58248), (4854, 57456), (5472, 50967), (5663, 49248), (6048, 46113), (6156, 45304), (6384, 43686), (6472, 43092), (7182, 38832), (7281, 38304), (8208, 33978), (9072, 30742), (9576, 29124), (9708, 28728), (10773, 25888), (11326, 24624), (12312, 22652), (12768, 21843), (12944, 21546), (14364, 19416), (14562, 19152), (15371, 18144), (16416, 16989)]