261454320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1721}}^1$

素因数の和:1951

約数の個数: 120

約数和(自身を含む): 882724752

約数和(自身を除く): 621270432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 211, 240, 360, 422, 633, 720, 844, 1055, 1266, 1688, 1721, 1899, 2110, 2532, 3165, 3376, 3442, 3798, 4220, 5064, 5163, 6330, 6884, 7596, 8440, 8605, 9495, 10128, 10326, 12660, 13768, 15192, 15489, 16880, 17210, 18990, 20652, 25320, 25815, 27536, 30384, 30978, 34420, 37980, 41304, 50640, 51630, 61956, 68840, 75960, 77445, 82608, 103260, 123912, 137680, 151920, 154890, 206520, 247824, 309780, 363131, 413040, 619560, 726262, 1089393, 1239120, 1452524, 1815655, 2178786, 2905048, 3268179, 3631310, 4357572, 5446965, 5810096, 6536358, 7262620, 8715144, 10893930, 13072716, 14525240, 16340895, 17430288, 21787860, 26145432, 29050480, 32681790, 43575720, 52290864, 65363580, 87151440, 130727160, 261454320]

約数ペア:

[(1, 261454320), (2, 130727160), (3, 87151440), (4, 65363580), (5, 52290864), (6, 43575720), (8, 32681790), (9, 29050480), (10, 26145432), (12, 21787860), (15, 17430288), (16, 16340895), (18, 14525240), (20, 13072716), (24, 10893930), (30, 8715144), (36, 7262620), (40, 6536358), (45, 5810096), (48, 5446965), (60, 4357572), (72, 3631310), (80, 3268179), (90, 2905048), (120, 2178786), (144, 1815655), (180, 1452524), (211, 1239120), (240, 1089393), (360, 726262), (422, 619560), (633, 413040), (720, 363131), (844, 309780), (1055, 247824), (1266, 206520), (1688, 154890), (1721, 151920), (1899, 137680), (2110, 123912), (2532, 103260), (3165, 82608), (3376, 77445), (3442, 75960), (3798, 68840), (4220, 61956), (5064, 51630), (5163, 50640), (6330, 41304), (6884, 37980), (7596, 34420), (8440, 30978), (8605, 30384), (9495, 27536), (10128, 25815), (10326, 25320), (12660, 20652), (13768, 18990), (15192, 17210), (15489, 16880)]