64081920

素因数分解:

$2^{12}\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1$

素因数の和:188

約数の個数: 208

約数和(自身を含む): 235900800

約数和(自身を除く): 171818880

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, 149, 160, 168, 192, 210, 224, 240, 256, 280, 298, 320, 336, 384, 420, 447, 448, 480, 512, 560, 596, 640, 672, 745, 768, 840, 894, 896, 960, 1024, 1043, 1120, 1192, 1280, 1344, 1490, 1536, 1680, 1788, 1792, 1920, 2048, 2086, 2235, 2240, 2384, 2560, 2688, 2980, 3072, 3129, 3360, 3576, 3584, 3840, 4096, 4172, 4470, 4480, 4768, 5120, 5215, 5376, 5960, 6144, 6258, 6720, 7152, 7168, 7680, 8344, 8940, 8960, 9536, 10240, 10430, 10752, 11920, 12288, 12516, 13440, 14304, 14336, 15360, 15645, 16688, 17880, 17920, 19072, 20480, 20860, 21504, 23840, 25032, 26880, 28608, 28672, 30720, 31290, 33376, 35760, 35840, 38144, 41720, 43008, 47680, 50064, 53760, 57216, 61440, 62580, 66752, 71520, 71680, 76288, 83440, 86016, 95360, 100128, 107520, 114432, 125160, 133504, 143040, 143360, 152576, 166880, 190720, 200256, 215040, 228864, 250320, 267008, 286080, 305152, 333760, 381440, 400512, 430080, 457728, 500640, 534016, 572160, 610304, 667520, 762880, 801024, 915456, 1001280, 1068032, 1144320, 1335040, 1525760, 1602048, 1830912, 2002560, 2136064, 2288640, 2670080, 3051520, 3204096, 4005120, 4272128, 4577280, 5340160, 6408192, 8010240, 9154560, 10680320, 12816384, 16020480, 21360640, 32040960, 64081920]

約数ペア:

[(1, 64081920), (2, 32040960), (3, 21360640), (4, 16020480), (5, 12816384), (6, 10680320), (7, 9154560), (8, 8010240), (10, 6408192), (12, 5340160), (14, 4577280), (15, 4272128), (16, 4005120), (20, 3204096), (21, 3051520), (24, 2670080), (28, 2288640), (30, 2136064), (32, 2002560), (35, 1830912), (40, 1602048), (42, 1525760), (48, 1335040), (56, 1144320), (60, 1068032), (64, 1001280), (70, 915456), (80, 801024), (84, 762880), (96, 667520), (105, 610304), (112, 572160), (120, 534016), (128, 500640), (140, 457728), (149, 430080), (160, 400512), (168, 381440), (192, 333760), (210, 305152), (224, 286080), (240, 267008), (256, 250320), (280, 228864), (298, 215040), (320, 200256), (336, 190720), (384, 166880), (420, 152576), (447, 143360), (448, 143040), (480, 133504), (512, 125160), (560, 114432), (596, 107520), (640, 100128), (672, 95360), (745, 86016), (768, 83440), (840, 76288), (894, 71680), (896, 71520), (960, 66752), (1024, 62580), (1043, 61440), (1120, 57216), (1192, 53760), (1280, 50064), (1344, 47680), (1490, 43008), (1536, 41720), (1680, 38144), (1788, 35840), (1792, 35760), (1920, 33376), (2048, 31290), (2086, 30720), (2235, 28672), (2240, 28608), (2384, 26880), (2560, 25032), (2688, 23840), (2980, 21504), (3072, 20860), (3129, 20480), (3360, 19072), (3576, 17920), (3584, 17880), (3840, 16688), (4096, 15645), (4172, 15360), (4470, 14336), (4480, 14304), (4768, 13440), (5120, 12516), (5215, 12288), (5376, 11920), (5960, 10752), (6144, 10430), (6258, 10240), (6720, 9536), (7152, 8960), (7168, 8940), (7680, 8344)]