681472512

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:639

約数の個数: 240

約数和(自身を含む): 2312536512

約数和(自身を除く): 1631064000

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 37, 42, 48, 56, 63, 64, 72, 74, 84, 96, 111, 112, 126, 128, 144, 148, 168, 192, 222, 224, 252, 256, 259, 288, 296, 333, 336, 384, 444, 448, 504, 512, 518, 571, 576, 592, 666, 672, 768, 777, 888, 896, 1008, 1036, 1142, 1152, 1184, 1332, 1344, 1536, 1554, 1713, 1776, 1792, 2016, 2072, 2284, 2304, 2331, 2368, 2664, 2688, 3108, 3426, 3552, 3584, 3997, 4032, 4144, 4568, 4608, 4662, 4736, 5139, 5328, 5376, 6216, 6852, 7104, 7994, 8064, 8288, 9136, 9324, 9472, 10278, 10656, 10752, 11991, 12432, 13704, 14208, 15988, 16128, 16576, 18272, 18648, 18944, 20556, 21127, 21312, 23982, 24864, 27408, 28416, 31976, 32256, 33152, 35973, 36544, 37296, 41112, 42254, 42624, 47964, 49728, 54816, 56832, 63381, 63952, 66304, 71946, 73088, 74592, 82224, 84508, 85248, 95928, 99456, 109632, 126762, 127904, 132608, 143892, 146176, 147889, 149184, 164448, 169016, 170496, 190143, 191856, 198912, 219264, 253524, 255808, 287784, 292352, 295778, 298368, 328896, 338032, 380286, 383712, 397824, 438528, 443667, 507048, 511616, 575568, 591556, 596736, 657792, 676064, 760572, 767424, 877056, 887334, 1014096, 1023232, 1151136, 1183112, 1193472, 1315584, 1331001, 1352128, 1521144, 1534848, 1774668, 2028192, 2046464, 2302272, 2366224, 2631168, 2662002, 2704256, 3042288, 3069696, 3549336, 4056384, 4604544, 4732448, 5324004, 5408512, 6084576, 6139392, 7098672, 8112768, 9209088, 9464896, 10648008, 10817024, 12169152, 14197344, 16225536, 18418176, 18929792, 21296016, 24338304, 28394688, 32451072, 37859584, 42592032, 48676608, 56789376, 75719168, 85184064, 97353216, 113578752, 170368128, 227157504, 340736256, 681472512]

約数ペア:

[(1, 681472512), (2, 340736256), (3, 227157504), (4, 170368128), (6, 113578752), (7, 97353216), (8, 85184064), (9, 75719168), (12, 56789376), (14, 48676608), (16, 42592032), (18, 37859584), (21, 32451072), (24, 28394688), (28, 24338304), (32, 21296016), (36, 18929792), (37, 18418176), (42, 16225536), (48, 14197344), (56, 12169152), (63, 10817024), (64, 10648008), (72, 9464896), (74, 9209088), (84, 8112768), (96, 7098672), (111, 6139392), (112, 6084576), (126, 5408512), (128, 5324004), (144, 4732448), (148, 4604544), (168, 4056384), (192, 3549336), (222, 3069696), (224, 3042288), (252, 2704256), (256, 2662002), (259, 2631168), (288, 2366224), (296, 2302272), (333, 2046464), (336, 2028192), (384, 1774668), (444, 1534848), (448, 1521144), (504, 1352128), (512, 1331001), (518, 1315584), (571, 1193472), (576, 1183112), (592, 1151136), (666, 1023232), (672, 1014096), (768, 887334), (777, 877056), (888, 767424), (896, 760572), (1008, 676064), (1036, 657792), (1142, 596736), (1152, 591556), (1184, 575568), (1332, 511616), (1344, 507048), (1536, 443667), (1554, 438528), (1713, 397824), (1776, 383712), (1792, 380286), (2016, 338032), (2072, 328896), (2284, 298368), (2304, 295778), (2331, 292352), (2368, 287784), (2664, 255808), (2688, 253524), (3108, 219264), (3426, 198912), (3552, 191856), (3584, 190143), (3997, 170496), (4032, 169016), (4144, 164448), (4568, 149184), (4608, 147889), (4662, 146176), (4736, 143892), (5139, 132608), (5328, 127904), (5376, 126762), (6216, 109632), (6852, 99456), (7104, 95928), (7994, 85248), (8064, 84508), (8288, 82224), (9136, 74592), (9324, 73088), (9472, 71946), (10278, 66304), (10656, 63952), (10752, 63381), (11991, 56832), (12432, 54816), (13704, 49728), (14208, 47964), (15988, 42624), (16128, 42254), (16576, 41112), (18272, 37296), (18648, 36544), (18944, 35973), (20556, 33152), (21127, 32256), (21312, 31976), (23982, 28416), (24864, 27408)]