210460320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20879}}^1$

素因数の和:20907

約数の個数: 144

約数和(自身を含む): 820834560

約数和(自身を除く): 610374240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20879, 41758, 62637, 83516, 104395, 125274, 146153, 167032, 187911, 208790, 250548, 292306, 313185, 334064, 375822, 417580, 438459, 501096, 584612, 626370, 668128, 730765, 751644, 835160, 876918, 939555, 1002192, 1169224, 1252740, 1315377, 1461530, 1503288, 1670320, 1753836, 1879110, 2004384, 2192295, 2338448, 2505480, 2630754, 2923060, 3006576, 3340640, 3507672, 3758220, 4384590, 4676896, 5010960, 5261508, 5846120, 6013152, 6576885, 7015344, 7516440, 8769180, 10021920, 10523016, 11692240, 13153770, 14030688, 15032880, 17538360, 21046032, 23384480, 26307540, 30065760, 35076720, 42092064, 52615080, 70153440, 105230160, 210460320]

約数ペア:

[(1, 210460320), (2, 105230160), (3, 70153440), (4, 52615080), (5, 42092064), (6, 35076720), (7, 30065760), (8, 26307540), (9, 23384480), (10, 21046032), (12, 17538360), (14, 15032880), (15, 14030688), (16, 13153770), (18, 11692240), (20, 10523016), (21, 10021920), (24, 8769180), (28, 7516440), (30, 7015344), (32, 6576885), (35, 6013152), (36, 5846120), (40, 5261508), (42, 5010960), (45, 4676896), (48, 4384590), (56, 3758220), (60, 3507672), (63, 3340640), (70, 3006576), (72, 2923060), (80, 2630754), (84, 2505480), (90, 2338448), (96, 2192295), (105, 2004384), (112, 1879110), (120, 1753836), (126, 1670320), (140, 1503288), (144, 1461530), (160, 1315377), (168, 1252740), (180, 1169224), (210, 1002192), (224, 939555), (240, 876918), (252, 835160), (280, 751644), (288, 730765), (315, 668128), (336, 626370), (360, 584612), (420, 501096), (480, 438459), (504, 417580), (560, 375822), (630, 334064), (672, 313185), (720, 292306), (840, 250548), (1008, 208790), (1120, 187911), (1260, 167032), (1440, 146153), (1680, 125274), (2016, 104395), (2520, 83516), (3360, 62637), (5040, 41758), (10080, 20879)]