210421800

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:478

約数の個数: 240

約数和(自身を含む): 756201600

約数和(自身を除く): 545779800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 31, 36, 40, 45, 50, 54, 60, 62, 72, 75, 81, 90, 93, 100, 108, 120, 124, 135, 150, 155, 162, 180, 186, 200, 216, 225, 248, 270, 279, 300, 310, 324, 360, 372, 405, 419, 450, 465, 540, 558, 600, 620, 648, 675, 744, 775, 810, 837, 838, 900, 930, 1080, 1116, 1240, 1257, 1350, 1395, 1550, 1620, 1674, 1676, 1800, 1860, 2025, 2095, 2232, 2325, 2511, 2514, 2700, 2790, 3100, 3240, 3348, 3352, 3720, 3771, 4050, 4185, 4190, 4650, 5022, 5028, 5400, 5580, 6200, 6285, 6696, 6975, 7542, 8100, 8370, 8380, 9300, 10044, 10056, 10475, 11160, 11313, 12555, 12570, 12989, 13950, 15084, 16200, 16740, 16760, 18600, 18855, 20088, 20925, 20950, 22626, 25110, 25140, 25978, 27900, 30168, 31425, 33480, 33939, 37710, 38967, 41850, 41900, 45252, 50220, 50280, 51956, 55800, 56565, 62775, 62850, 64945, 67878, 75420, 77934, 83700, 83800, 90504, 94275, 100440, 103912, 113130, 116901, 125550, 125700, 129890, 135756, 150840, 155868, 167400, 169695, 188550, 194835, 226260, 233802, 251100, 251400, 259780, 271512, 282825, 311736, 324725, 339390, 350703, 377100, 389670, 452520, 467604, 502200, 519560, 565650, 584505, 649450, 678780, 701406, 754200, 779340, 848475, 935208, 974175, 1052109, 1131300, 1169010, 1298900, 1357560, 1402812, 1558680, 1696950, 1753515, 1948350, 2104218, 2262600, 2338020, 2597800, 2805624, 2922525, 3393900, 3507030, 3896700, 4208436, 4676040, 5260545, 5845050, 6787800, 7014060, 7793400, 8416872, 8767575, 10521090, 11690100, 14028120, 17535150, 21042180, 23380200, 26302725, 35070300, 42084360, 52605450, 70140600, 105210900, 210421800]

約数ペア:

[(1, 210421800), (2, 105210900), (3, 70140600), (4, 52605450), (5, 42084360), (6, 35070300), (8, 26302725), (9, 23380200), (10, 21042180), (12, 17535150), (15, 14028120), (18, 11690100), (20, 10521090), (24, 8767575), (25, 8416872), (27, 7793400), (30, 7014060), (31, 6787800), (36, 5845050), (40, 5260545), (45, 4676040), (50, 4208436), (54, 3896700), (60, 3507030), (62, 3393900), (72, 2922525), (75, 2805624), (81, 2597800), (90, 2338020), (93, 2262600), (100, 2104218), (108, 1948350), (120, 1753515), (124, 1696950), (135, 1558680), (150, 1402812), (155, 1357560), (162, 1298900), (180, 1169010), (186, 1131300), (200, 1052109), (216, 974175), (225, 935208), (248, 848475), (270, 779340), (279, 754200), (300, 701406), (310, 678780), (324, 649450), (360, 584505), (372, 565650), (405, 519560), (419, 502200), (450, 467604), (465, 452520), (540, 389670), (558, 377100), (600, 350703), (620, 339390), (648, 324725), (675, 311736), (744, 282825), (775, 271512), (810, 259780), (837, 251400), (838, 251100), (900, 233802), (930, 226260), (1080, 194835), (1116, 188550), (1240, 169695), (1257, 167400), (1350, 155868), (1395, 150840), (1550, 135756), (1620, 129890), (1674, 125700), (1676, 125550), (1800, 116901), (1860, 113130), (2025, 103912), (2095, 100440), (2232, 94275), (2325, 90504), (2511, 83800), (2514, 83700), (2700, 77934), (2790, 75420), (3100, 67878), (3240, 64945), (3348, 62850), (3352, 62775), (3720, 56565), (3771, 55800), (4050, 51956), (4185, 50280), (4190, 50220), (4650, 45252), (5022, 41900), (5028, 41850), (5400, 38967), (5580, 37710), (6200, 33939), (6285, 33480), (6696, 31425), (6975, 30168), (7542, 27900), (8100, 25978), (8370, 25140), (8380, 25110), (9300, 22626), (10044, 20950), (10056, 20925), (10475, 20088), (11160, 18855), (11313, 18600), (12555, 16760), (12570, 16740), (12989, 16200), (13950, 15084)]