213181920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21149}}^1$

素因数の和:21177

約数の個数: 144

約数和(自身を含む): 831448800

約数和(自身を除く): 618266880

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, 21149, 42298, 63447, 84596, 105745, 126894, 148043, 169192, 190341, 211490, 253788, 296086, 317235, 338384, 380682, 422980, 444129, 507576, 592172, 634470, 676768, 740215, 761364, 845960, 888258, 951705, 1015152, 1184344, 1268940, 1332387, 1480430, 1522728, 1691920, 1776516, 1903410, 2030304, 2220645, 2368688, 2537880, 2664774, 2960860, 3045456, 3383840, 3553032, 3806820, 4441290, 4737376, 5075760, 5329548, 5921720, 6090912, 6661935, 7106064, 7613640, 8882580, 10151520, 10659096, 11843440, 13323870, 14212128, 15227280, 17765160, 21318192, 23686880, 26647740, 30454560, 35530320, 42636384, 53295480, 71060640, 106590960, 213181920]

約数ペア:

[(1, 213181920), (2, 106590960), (3, 71060640), (4, 53295480), (5, 42636384), (6, 35530320), (7, 30454560), (8, 26647740), (9, 23686880), (10, 21318192), (12, 17765160), (14, 15227280), (15, 14212128), (16, 13323870), (18, 11843440), (20, 10659096), (21, 10151520), (24, 8882580), (28, 7613640), (30, 7106064), (32, 6661935), (35, 6090912), (36, 5921720), (40, 5329548), (42, 5075760), (45, 4737376), (48, 4441290), (56, 3806820), (60, 3553032), (63, 3383840), (70, 3045456), (72, 2960860), (80, 2664774), (84, 2537880), (90, 2368688), (96, 2220645), (105, 2030304), (112, 1903410), (120, 1776516), (126, 1691920), (140, 1522728), (144, 1480430), (160, 1332387), (168, 1268940), (180, 1184344), (210, 1015152), (224, 951705), (240, 888258), (252, 845960), (280, 761364), (288, 740215), (315, 676768), (336, 634470), (360, 592172), (420, 507576), (480, 444129), (504, 422980), (560, 380682), (630, 338384), (672, 317235), (720, 296086), (840, 253788), (1008, 211490), (1120, 190341), (1260, 169192), (1440, 148043), (1680, 126894), (2016, 105745), (2520, 84596), (3360, 63447), (5040, 42298), (10080, 21149)]