256717894320

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{13205653}}^1$

素因数の和:13205681

約数の個数: 120

約数和(自身を含む): 894075598416

約数和(自身を除く): 637357704096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4860, 6480, 9720, 19440, 13205653, 26411306, 39616959, 52822612, 66028265, 79233918, 105645224, 118850877, 132056530, 158467836, 198084795, 211290448, 237701754, 264113060, 316935672, 356552631, 396169590, 475403508, 528226120, 594254385, 633871344, 713105262, 792339180, 950807016, 1056452240, 1069657893, 1188508770, 1426210524, 1584678360, 1782763155, 1901614032, 2139315786, 2377017540, 2852421048, 3169356720, 3208973679, 3565526310, 4278631572, 4754035080, 5348289465, 5704842096, 6417947358, 7131052620, 8557263144, 9508070160, 10696578930, 12835894716, 14262105240, 16044868395, 17114526288, 21393157860, 25671789432, 28524210480, 32089736790, 42786315720, 51343578864, 64179473580, 85572631440, 128358947160, 256717894320]

約数ペア:

[(1, 256717894320), (2, 128358947160), (3, 85572631440), (4, 64179473580), (5, 51343578864), (6, 42786315720), (8, 32089736790), (9, 28524210480), (10, 25671789432), (12, 21393157860), (15, 17114526288), (16, 16044868395), (18, 14262105240), (20, 12835894716), (24, 10696578930), (27, 9508070160), (30, 8557263144), (36, 7131052620), (40, 6417947358), (45, 5704842096), (48, 5348289465), (54, 4754035080), (60, 4278631572), (72, 3565526310), (80, 3208973679), (81, 3169356720), (90, 2852421048), (108, 2377017540), (120, 2139315786), (135, 1901614032), (144, 1782763155), (162, 1584678360), (180, 1426210524), (216, 1188508770), (240, 1069657893), (243, 1056452240), (270, 950807016), (324, 792339180), (360, 713105262), (405, 633871344), (432, 594254385), (486, 528226120), (540, 475403508), (648, 396169590), (720, 356552631), (810, 316935672), (972, 264113060), (1080, 237701754), (1215, 211290448), (1296, 198084795), (1620, 158467836), (1944, 132056530), (2160, 118850877), (2430, 105645224), (3240, 79233918), (3888, 66028265), (4860, 52822612), (6480, 39616959), (9720, 26411306), (19440, 13205653)]