40561920

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{503}}^1$

素因数の和:537

約数の個数: 216

約数和(自身を含む): 160707456

約数和(自身を除く): 120145536

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, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 503, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1006, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1509, 1680, 1792, 1920, 2012, 2016, 2240, 2304, 2515, 2520, 2688, 2880, 3018, 3360, 3521, 3840, 4024, 4032, 4480, 4527, 5030, 5040, 5376, 5760, 6036, 6720, 7042, 7545, 8048, 8064, 8960, 9054, 10060, 10080, 10563, 11520, 12072, 13440, 14084, 15090, 16096, 16128, 17605, 18108, 20120, 20160, 21126, 22635, 24144, 26880, 28168, 30180, 31689, 32192, 35210, 36216, 40240, 40320, 42252, 45270, 48288, 52815, 56336, 60360, 63378, 64384, 70420, 72432, 80480, 80640, 84504, 90540, 96576, 105630, 112672, 120720, 126756, 128768, 140840, 144864, 158445, 160960, 169008, 181080, 193152, 211260, 225344, 241440, 253512, 281680, 289728, 316890, 321920, 338016, 362160, 386304, 422520, 450688, 482880, 507024, 563360, 579456, 633780, 643840, 676032, 724320, 845040, 901376, 965760, 1014048, 1126720, 1158912, 1267560, 1352064, 1448640, 1690080, 1931520, 2028096, 2253440, 2535120, 2704128, 2897280, 3380160, 4056192, 4506880, 5070240, 5794560, 6760320, 8112384, 10140480, 13520640, 20280960, 40561920]

約数ペア:

[(1, 40561920), (2, 20280960), (3, 13520640), (4, 10140480), (5, 8112384), (6, 6760320), (7, 5794560), (8, 5070240), (9, 4506880), (10, 4056192), (12, 3380160), (14, 2897280), (15, 2704128), (16, 2535120), (18, 2253440), (20, 2028096), (21, 1931520), (24, 1690080), (28, 1448640), (30, 1352064), (32, 1267560), (35, 1158912), (36, 1126720), (40, 1014048), (42, 965760), (45, 901376), (48, 845040), (56, 724320), (60, 676032), (63, 643840), (64, 633780), (70, 579456), (72, 563360), (80, 507024), (84, 482880), (90, 450688), (96, 422520), (105, 386304), (112, 362160), (120, 338016), (126, 321920), (128, 316890), (140, 289728), (144, 281680), (160, 253512), (168, 241440), (180, 225344), (192, 211260), (210, 193152), (224, 181080), (240, 169008), (252, 160960), (256, 158445), (280, 144864), (288, 140840), (315, 128768), (320, 126756), (336, 120720), (360, 112672), (384, 105630), (420, 96576), (448, 90540), (480, 84504), (503, 80640), (504, 80480), (560, 72432), (576, 70420), (630, 64384), (640, 63378), (672, 60360), (720, 56336), (768, 52815), (840, 48288), (896, 45270), (960, 42252), (1006, 40320), (1008, 40240), (1120, 36216), (1152, 35210), (1260, 32192), (1280, 31689), (1344, 30180), (1440, 28168), (1509, 26880), (1680, 24144), (1792, 22635), (1920, 21126), (2012, 20160), (2016, 20120), (2240, 18108), (2304, 17605), (2515, 16128), (2520, 16096), (2688, 15090), (2880, 14084), (3018, 13440), (3360, 12072), (3521, 11520), (3840, 10563), (4024, 10080), (4032, 10060), (4480, 9054), (4527, 8960), (5030, 8064), (5040, 8048), (5376, 7545), (5760, 7042), (6036, 6720)]