218977920

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{5431}}^1$

素因数の和:5463

約数の個数: 192

約数和(自身を含む): 864339840

約数和(自身を除く): 645361920

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, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5431, 5760, 6720, 8064, 10080, 10862, 13440, 16293, 20160, 21724, 27155, 32586, 38017, 40320, 43448, 48879, 54310, 65172, 76034, 81465, 86896, 97758, 108620, 114051, 130344, 152068, 162930, 173792, 190085, 195516, 217240, 228102, 244395, 260688, 304136, 325860, 342153, 347584, 380170, 391032, 434480, 456204, 488790, 521376, 570255, 608272, 651720, 684306, 695168, 760340, 782064, 868960, 912408, 977580, 1042752, 1140510, 1216544, 1303440, 1368612, 1520680, 1564128, 1710765, 1737920, 1824816, 1955160, 2085504, 2281020, 2433088, 2606880, 2737224, 3041360, 3128256, 3421530, 3475840, 3649632, 3910320, 4562040, 4866176, 5213760, 5474448, 6082720, 6256512, 6843060, 7299264, 7820640, 9124080, 10427520, 10948896, 12165440, 13686120, 14598528, 15641280, 18248160, 21897792, 24330880, 27372240, 31282560, 36496320, 43795584, 54744480, 72992640, 109488960, 218977920]

約数ペア:

[(1, 218977920), (2, 109488960), (3, 72992640), (4, 54744480), (5, 43795584), (6, 36496320), (7, 31282560), (8, 27372240), (9, 24330880), (10, 21897792), (12, 18248160), (14, 15641280), (15, 14598528), (16, 13686120), (18, 12165440), (20, 10948896), (21, 10427520), (24, 9124080), (28, 7820640), (30, 7299264), (32, 6843060), (35, 6256512), (36, 6082720), (40, 5474448), (42, 5213760), (45, 4866176), (48, 4562040), (56, 3910320), (60, 3649632), (63, 3475840), (64, 3421530), (70, 3128256), (72, 3041360), (80, 2737224), (84, 2606880), (90, 2433088), (96, 2281020), (105, 2085504), (112, 1955160), (120, 1824816), (126, 1737920), (128, 1710765), (140, 1564128), (144, 1520680), (160, 1368612), (168, 1303440), (180, 1216544), (192, 1140510), (210, 1042752), (224, 977580), (240, 912408), (252, 868960), (280, 782064), (288, 760340), (315, 695168), (320, 684306), (336, 651720), (360, 608272), (384, 570255), (420, 521376), (448, 488790), (480, 456204), (504, 434480), (560, 391032), (576, 380170), (630, 347584), (640, 342153), (672, 325860), (720, 304136), (840, 260688), (896, 244395), (960, 228102), (1008, 217240), (1120, 195516), (1152, 190085), (1260, 173792), (1344, 162930), (1440, 152068), (1680, 130344), (1920, 114051), (2016, 108620), (2240, 97758), (2520, 86896), (2688, 81465), (2880, 76034), (3360, 65172), (4032, 54310), (4480, 48879), (5040, 43448), (5431, 40320), (5760, 38017), (6720, 32586), (8064, 27155), (10080, 21724), (10862, 20160), (13440, 16293)]