261651936

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:585

約数の個数: 192

約数和(自身を含む): 860944896

約数和(自身を除く): 599292960

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 61, 78, 84, 91, 96, 104, 112, 122, 156, 168, 182, 183, 208, 224, 244, 273, 312, 336, 364, 366, 416, 427, 488, 491, 546, 624, 672, 728, 732, 793, 854, 976, 982, 1092, 1248, 1281, 1456, 1464, 1473, 1586, 1708, 1952, 1964, 2184, 2379, 2562, 2912, 2928, 2946, 3172, 3416, 3437, 3928, 4368, 4758, 5124, 5551, 5856, 5892, 6344, 6383, 6832, 6874, 7856, 8736, 9516, 10248, 10311, 11102, 11784, 12688, 12766, 13664, 13748, 15712, 16653, 19032, 19149, 20496, 20622, 22204, 23568, 25376, 25532, 27496, 29951, 33306, 38064, 38298, 40992, 41244, 44408, 44681, 47136, 51064, 54992, 59902, 66612, 76128, 76596, 82488, 88816, 89362, 89853, 102128, 109984, 119804, 133224, 134043, 153192, 164976, 177632, 178724, 179706, 204256, 209657, 239608, 266448, 268086, 306384, 329952, 357448, 359412, 389363, 419314, 479216, 532896, 536172, 612768, 628971, 714896, 718824, 778726, 838628, 958432, 1072344, 1168089, 1257942, 1429792, 1437648, 1557452, 1677256, 2144688, 2336178, 2515884, 2725541, 2875296, 3114904, 3354512, 4289376, 4672356, 5031768, 5451082, 6229808, 6709024, 8176623, 9344712, 10063536, 10902164, 12459616, 16353246, 18689424, 20127072, 21804328, 32706492, 37378848, 43608656, 65412984, 87217312, 130825968, 261651936]

約数ペア:

[(1, 261651936), (2, 130825968), (3, 87217312), (4, 65412984), (6, 43608656), (7, 37378848), (8, 32706492), (12, 21804328), (13, 20127072), (14, 18689424), (16, 16353246), (21, 12459616), (24, 10902164), (26, 10063536), (28, 9344712), (32, 8176623), (39, 6709024), (42, 6229808), (48, 5451082), (52, 5031768), (56, 4672356), (61, 4289376), (78, 3354512), (84, 3114904), (91, 2875296), (96, 2725541), (104, 2515884), (112, 2336178), (122, 2144688), (156, 1677256), (168, 1557452), (182, 1437648), (183, 1429792), (208, 1257942), (224, 1168089), (244, 1072344), (273, 958432), (312, 838628), (336, 778726), (364, 718824), (366, 714896), (416, 628971), (427, 612768), (488, 536172), (491, 532896), (546, 479216), (624, 419314), (672, 389363), (728, 359412), (732, 357448), (793, 329952), (854, 306384), (976, 268086), (982, 266448), (1092, 239608), (1248, 209657), (1281, 204256), (1456, 179706), (1464, 178724), (1473, 177632), (1586, 164976), (1708, 153192), (1952, 134043), (1964, 133224), (2184, 119804), (2379, 109984), (2562, 102128), (2912, 89853), (2928, 89362), (2946, 88816), (3172, 82488), (3416, 76596), (3437, 76128), (3928, 66612), (4368, 59902), (4758, 54992), (5124, 51064), (5551, 47136), (5856, 44681), (5892, 44408), (6344, 41244), (6383, 40992), (6832, 38298), (6874, 38064), (7856, 33306), (8736, 29951), (9516, 27496), (10248, 25532), (10311, 25376), (11102, 23568), (11784, 22204), (12688, 20622), (12766, 20496), (13664, 19149), (13748, 19032), (15712, 16653)]