213121440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21143}}^1$

素因数の和:21171

約数の個数: 144

約数和(自身を含む): 831212928

約数和(自身を除く): 618091488

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, 21143, 42286, 63429, 84572, 105715, 126858, 148001, 169144, 190287, 211430, 253716, 296002, 317145, 338288, 380574, 422860, 444003, 507432, 592004, 634290, 676576, 740005, 761148, 845720, 888006, 951435, 1014864, 1184008, 1268580, 1332009, 1480010, 1522296, 1691440, 1776012, 1902870, 2029728, 2220015, 2368016, 2537160, 2664018, 2960020, 3044592, 3382880, 3552024, 3805740, 4440030, 4736032, 5074320, 5328036, 5920040, 6089184, 6660045, 7104048, 7611480, 8880060, 10148640, 10656072, 11840080, 13320090, 14208096, 15222960, 17760120, 21312144, 23680160, 26640180, 30445920, 35520240, 42624288, 53280360, 71040480, 106560720, 213121440]

約数ペア:

[(1, 213121440), (2, 106560720), (3, 71040480), (4, 53280360), (5, 42624288), (6, 35520240), (7, 30445920), (8, 26640180), (9, 23680160), (10, 21312144), (12, 17760120), (14, 15222960), (15, 14208096), (16, 13320090), (18, 11840080), (20, 10656072), (21, 10148640), (24, 8880060), (28, 7611480), (30, 7104048), (32, 6660045), (35, 6089184), (36, 5920040), (40, 5328036), (42, 5074320), (45, 4736032), (48, 4440030), (56, 3805740), (60, 3552024), (63, 3382880), (70, 3044592), (72, 2960020), (80, 2664018), (84, 2537160), (90, 2368016), (96, 2220015), (105, 2029728), (112, 1902870), (120, 1776012), (126, 1691440), (140, 1522296), (144, 1480010), (160, 1332009), (168, 1268580), (180, 1184008), (210, 1014864), (224, 951435), (240, 888006), (252, 845720), (280, 761148), (288, 740005), (315, 676576), (336, 634290), (360, 592004), (420, 507432), (480, 444003), (504, 422860), (560, 380574), (630, 338288), (672, 317145), (720, 296002), (840, 253716), (1008, 211430), (1120, 190287), (1260, 169144), (1440, 148001), (1680, 126858), (2016, 105715), (2520, 84572), (3360, 63429), (5040, 42286), (10080, 21143)]