661641048

素因数分解:

$2^3\times 3^4\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:359

約数の個数: 160

約数和(自身を含む): 1914723360

約数和(自身を除く): 1253082312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 73, 81, 108, 142, 146, 162, 197, 213, 216, 219, 284, 292, 324, 394, 426, 438, 568, 584, 591, 639, 648, 657, 788, 852, 876, 1182, 1278, 1314, 1576, 1704, 1752, 1773, 1917, 1971, 2364, 2556, 2628, 3546, 3834, 3942, 4728, 5112, 5183, 5256, 5319, 5751, 5913, 7092, 7668, 7884, 10366, 10638, 11502, 11826, 13987, 14184, 14381, 15336, 15549, 15768, 15957, 20732, 21276, 23004, 23652, 27974, 28762, 31098, 31914, 41464, 41961, 42552, 43143, 46008, 46647, 47304, 55948, 57524, 62196, 63828, 83922, 86286, 93294, 111896, 115048, 124392, 125883, 127656, 129429, 139941, 167844, 172572, 186588, 251766, 258858, 279882, 335688, 345144, 373176, 377649, 388287, 419823, 503532, 517716, 559764, 755298, 776574, 839646, 1007064, 1021051, 1035432, 1119528, 1132947, 1164861, 1510596, 1553148, 1679292, 2042102, 2265894, 2329722, 3021192, 3063153, 3106296, 3358584, 4084204, 4531788, 4659444, 6126306, 8168408, 9063576, 9189459, 9318888, 12252612, 18378918, 24505224, 27568377, 36757836, 55136754, 73515672, 82705131, 110273508, 165410262, 220547016, 330820524, 661641048]

約数ペア:

[(1, 661641048), (2, 330820524), (3, 220547016), (4, 165410262), (6, 110273508), (8, 82705131), (9, 73515672), (12, 55136754), (18, 36757836), (24, 27568377), (27, 24505224), (36, 18378918), (54, 12252612), (71, 9318888), (72, 9189459), (73, 9063576), (81, 8168408), (108, 6126306), (142, 4659444), (146, 4531788), (162, 4084204), (197, 3358584), (213, 3106296), (216, 3063153), (219, 3021192), (284, 2329722), (292, 2265894), (324, 2042102), (394, 1679292), (426, 1553148), (438, 1510596), (568, 1164861), (584, 1132947), (591, 1119528), (639, 1035432), (648, 1021051), (657, 1007064), (788, 839646), (852, 776574), (876, 755298), (1182, 559764), (1278, 517716), (1314, 503532), (1576, 419823), (1704, 388287), (1752, 377649), (1773, 373176), (1917, 345144), (1971, 335688), (2364, 279882), (2556, 258858), (2628, 251766), (3546, 186588), (3834, 172572), (3942, 167844), (4728, 139941), (5112, 129429), (5183, 127656), (5256, 125883), (5319, 124392), (5751, 115048), (5913, 111896), (7092, 93294), (7668, 86286), (7884, 83922), (10366, 63828), (10638, 62196), (11502, 57524), (11826, 55948), (13987, 47304), (14184, 46647), (14381, 46008), (15336, 43143), (15549, 42552), (15768, 41961), (15957, 41464), (20732, 31914), (21276, 31098), (23004, 28762), (23652, 27974)]