205443840

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{7643}}^1$

素因数の和:7674

約数の個数: 144

約数和(自身を含む): 749968128

約数和(自身を除く): 544524288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 7643, 8960, 13440, 15286, 22929, 26880, 30572, 38215, 45858, 53501, 61144, 76430, 91716, 107002, 114645, 122288, 152860, 160503, 183432, 214004, 229290, 244576, 267505, 305720, 321006, 366864, 428008, 458580, 489152, 535010, 611440, 642012, 733728, 802515, 856016, 917160, 978304, 1070020, 1222880, 1284024, 1467456, 1605030, 1712032, 1834320, 1956608, 2140040, 2445760, 2568048, 2934912, 3210060, 3424064, 3668640, 4280080, 4891520, 5136096, 5869824, 6420120, 6848128, 7337280, 8560160, 9783040, 10272192, 12840240, 13696256, 14674560, 17120320, 20544384, 25680480, 29349120, 34240640, 41088768, 51360960, 68481280, 102721920, 205443840]

約数ペア:

[(1, 205443840), (2, 102721920), (3, 68481280), (4, 51360960), (5, 41088768), (6, 34240640), (7, 29349120), (8, 25680480), (10, 20544384), (12, 17120320), (14, 14674560), (15, 13696256), (16, 12840240), (20, 10272192), (21, 9783040), (24, 8560160), (28, 7337280), (30, 6848128), (32, 6420120), (35, 5869824), (40, 5136096), (42, 4891520), (48, 4280080), (56, 3668640), (60, 3424064), (64, 3210060), (70, 2934912), (80, 2568048), (84, 2445760), (96, 2140040), (105, 1956608), (112, 1834320), (120, 1712032), (128, 1605030), (140, 1467456), (160, 1284024), (168, 1222880), (192, 1070020), (210, 978304), (224, 917160), (240, 856016), (256, 802515), (280, 733728), (320, 642012), (336, 611440), (384, 535010), (420, 489152), (448, 458580), (480, 428008), (560, 366864), (640, 321006), (672, 305720), (768, 267505), (840, 244576), (896, 229290), (960, 214004), (1120, 183432), (1280, 160503), (1344, 152860), (1680, 122288), (1792, 114645), (1920, 107002), (2240, 91716), (2688, 76430), (3360, 61144), (3840, 53501), (4480, 45858), (5376, 38215), (6720, 30572), (7643, 26880), (8960, 22929), (13440, 15286)]