257287968

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2239}}^1$

素因数の和:2284

約数の個数: 192

約数和(自身を含む): 903168000

約数和(自身を除く): 645880032

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, 84, 96, 108, 112, 114, 126, 133, 144, 152, 168, 171, 189, 216, 224, 228, 252, 266, 288, 304, 336, 342, 378, 399, 432, 456, 504, 513, 532, 608, 672, 684, 756, 798, 864, 912, 1008, 1026, 1064, 1197, 1368, 1512, 1596, 1824, 2016, 2052, 2128, 2239, 2394, 2736, 3024, 3192, 3591, 4104, 4256, 4478, 4788, 5472, 6048, 6384, 6717, 7182, 8208, 8956, 9576, 12768, 13434, 14364, 15673, 16416, 17912, 19152, 20151, 26868, 28728, 31346, 35824, 38304, 40302, 42541, 47019, 53736, 57456, 60453, 62692, 71648, 80604, 85082, 94038, 107472, 114912, 120906, 125384, 127623, 141057, 161208, 170164, 188076, 214944, 241812, 250768, 255246, 282114, 297787, 322416, 340328, 376152, 382869, 423171, 483624, 501536, 510492, 564228, 595574, 644832, 680656, 752304, 765738, 846342, 893361, 967248, 1020984, 1128456, 1148607, 1191148, 1361312, 1504608, 1531476, 1692684, 1786722, 1934496, 2041968, 2256912, 2297214, 2382296, 2680083, 3062952, 3385368, 3573444, 4083936, 4513824, 4594428, 4764592, 5360166, 6125904, 6770736, 7146888, 8040249, 9188856, 9529184, 10720332, 12251808, 13541472, 14293776, 16080498, 18377712, 21440664, 28587552, 32160996, 36755424, 42881328, 64321992, 85762656, 128643984, 257287968]

約数ペア:

[(1, 257287968), (2, 128643984), (3, 85762656), (4, 64321992), (6, 42881328), (7, 36755424), (8, 32160996), (9, 28587552), (12, 21440664), (14, 18377712), (16, 16080498), (18, 14293776), (19, 13541472), (21, 12251808), (24, 10720332), (27, 9529184), (28, 9188856), (32, 8040249), (36, 7146888), (38, 6770736), (42, 6125904), (48, 5360166), (54, 4764592), (56, 4594428), (57, 4513824), (63, 4083936), (72, 3573444), (76, 3385368), (84, 3062952), (96, 2680083), (108, 2382296), (112, 2297214), (114, 2256912), (126, 2041968), (133, 1934496), (144, 1786722), (152, 1692684), (168, 1531476), (171, 1504608), (189, 1361312), (216, 1191148), (224, 1148607), (228, 1128456), (252, 1020984), (266, 967248), (288, 893361), (304, 846342), (336, 765738), (342, 752304), (378, 680656), (399, 644832), (432, 595574), (456, 564228), (504, 510492), (513, 501536), (532, 483624), (608, 423171), (672, 382869), (684, 376152), (756, 340328), (798, 322416), (864, 297787), (912, 282114), (1008, 255246), (1026, 250768), (1064, 241812), (1197, 214944), (1368, 188076), (1512, 170164), (1596, 161208), (1824, 141057), (2016, 127623), (2052, 125384), (2128, 120906), (2239, 114912), (2394, 107472), (2736, 94038), (3024, 85082), (3192, 80604), (3591, 71648), (4104, 62692), (4256, 60453), (4478, 57456), (4788, 53736), (5472, 47019), (6048, 42541), (6384, 40302), (6717, 38304), (7182, 35824), (8208, 31346), (8956, 28728), (9576, 26868), (12768, 20151), (13434, 19152), (14364, 17912), (15673, 16416)]