20025600

素因数分解:

$2^8\times 3^1\times 5^2\times 7^1\times {\mathrm{149}}^1$

素因数の和:185

約数の個数: 216

約数和(自身を含む): 76036800

約数和(自身を除く): 56011200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 128, 140, 149, 150, 160, 168, 175, 192, 200, 210, 224, 240, 256, 280, 298, 300, 320, 336, 350, 384, 400, 420, 447, 448, 480, 525, 560, 596, 600, 640, 672, 700, 745, 768, 800, 840, 894, 896, 960, 1043, 1050, 1120, 1192, 1200, 1280, 1344, 1400, 1490, 1600, 1680, 1788, 1792, 1920, 2086, 2100, 2235, 2240, 2384, 2400, 2688, 2800, 2980, 3129, 3200, 3360, 3576, 3725, 3840, 4172, 4200, 4470, 4480, 4768, 4800, 5215, 5376, 5600, 5960, 6258, 6400, 6720, 7152, 7450, 8344, 8400, 8940, 8960, 9536, 9600, 10430, 11175, 11200, 11920, 12516, 13440, 14304, 14900, 15645, 16688, 16800, 17880, 19072, 19200, 20860, 22350, 22400, 23840, 25032, 26075, 26880, 28608, 29800, 31290, 33376, 33600, 35760, 38144, 41720, 44700, 44800, 47680, 50064, 52150, 57216, 59600, 62580, 66752, 67200, 71520, 78225, 83440, 89400, 95360, 100128, 104300, 114432, 119200, 125160, 133504, 134400, 143040, 156450, 166880, 178800, 190720, 200256, 208600, 238400, 250320, 267008, 286080, 312900, 333760, 357600, 400512, 417200, 476800, 500640, 572160, 625800, 667520, 715200, 801024, 834400, 953600, 1001280, 1251600, 1335040, 1430400, 1668800, 2002560, 2503200, 2860800, 3337600, 4005120, 5006400, 6675200, 10012800, 20025600]

約数ペア:

[(1, 20025600), (2, 10012800), (3, 6675200), (4, 5006400), (5, 4005120), (6, 3337600), (7, 2860800), (8, 2503200), (10, 2002560), (12, 1668800), (14, 1430400), (15, 1335040), (16, 1251600), (20, 1001280), (21, 953600), (24, 834400), (25, 801024), (28, 715200), (30, 667520), (32, 625800), (35, 572160), (40, 500640), (42, 476800), (48, 417200), (50, 400512), (56, 357600), (60, 333760), (64, 312900), (70, 286080), (75, 267008), (80, 250320), (84, 238400), (96, 208600), (100, 200256), (105, 190720), (112, 178800), (120, 166880), (128, 156450), (140, 143040), (149, 134400), (150, 133504), (160, 125160), (168, 119200), (175, 114432), (192, 104300), (200, 100128), (210, 95360), (224, 89400), (240, 83440), (256, 78225), (280, 71520), (298, 67200), (300, 66752), (320, 62580), (336, 59600), (350, 57216), (384, 52150), (400, 50064), (420, 47680), (447, 44800), (448, 44700), (480, 41720), (525, 38144), (560, 35760), (596, 33600), (600, 33376), (640, 31290), (672, 29800), (700, 28608), (745, 26880), (768, 26075), (800, 25032), (840, 23840), (894, 22400), (896, 22350), (960, 20860), (1043, 19200), (1050, 19072), (1120, 17880), (1192, 16800), (1200, 16688), (1280, 15645), (1344, 14900), (1400, 14304), (1490, 13440), (1600, 12516), (1680, 11920), (1788, 11200), (1792, 11175), (1920, 10430), (2086, 9600), (2100, 9536), (2235, 8960), (2240, 8940), (2384, 8400), (2400, 8344), (2688, 7450), (2800, 7152), (2980, 6720), (3129, 6400), (3200, 6258), (3360, 5960), (3576, 5600), (3725, 5376), (3840, 5215), (4172, 4800), (4200, 4768), (4470, 4480)]