420107520

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{15629}}^1$

素因数の和:15660

約数の個数: 144

約数和(自身を含む): 1533490560

約数和(自身を除く): 1113383040

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, 8960, 13440, 15629, 26880, 31258, 46887, 62516, 78145, 93774, 109403, 125032, 156290, 187548, 218806, 234435, 250064, 312580, 328209, 375096, 437612, 468870, 500128, 547015, 625160, 656418, 750192, 875224, 937740, 1000256, 1094030, 1250320, 1312836, 1500384, 1641045, 1750448, 1875480, 2000512, 2188060, 2500640, 2625672, 3000768, 3282090, 3500896, 3750960, 4001024, 4376120, 5001280, 5251344, 6001536, 6564180, 7001792, 7501920, 8752240, 10002560, 10502688, 12003072, 13128360, 14003584, 15003840, 17504480, 20005120, 21005376, 26256720, 28007168, 30007680, 35008960, 42010752, 52513440, 60015360, 70017920, 84021504, 105026880, 140035840, 210053760, 420107520]

約数ペア:

[(1, 420107520), (2, 210053760), (3, 140035840), (4, 105026880), (5, 84021504), (6, 70017920), (7, 60015360), (8, 52513440), (10, 42010752), (12, 35008960), (14, 30007680), (15, 28007168), (16, 26256720), (20, 21005376), (21, 20005120), (24, 17504480), (28, 15003840), (30, 14003584), (32, 13128360), (35, 12003072), (40, 10502688), (42, 10002560), (48, 8752240), (56, 7501920), (60, 7001792), (64, 6564180), (70, 6001536), (80, 5251344), (84, 5001280), (96, 4376120), (105, 4001024), (112, 3750960), (120, 3500896), (128, 3282090), (140, 3000768), (160, 2625672), (168, 2500640), (192, 2188060), (210, 2000512), (224, 1875480), (240, 1750448), (256, 1641045), (280, 1500384), (320, 1312836), (336, 1250320), (384, 1094030), (420, 1000256), (448, 937740), (480, 875224), (560, 750192), (640, 656418), (672, 625160), (768, 547015), (840, 500128), (896, 468870), (960, 437612), (1120, 375096), (1280, 328209), (1344, 312580), (1680, 250064), (1792, 234435), (1920, 218806), (2240, 187548), (2688, 156290), (3360, 125032), (3840, 109403), (4480, 93774), (5376, 78145), (6720, 62516), (8960, 46887), (13440, 31258), (15629, 26880)]