621931520

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 264

約数和(自身を含む): 1808991216

約数和(自身を除く): 1187059696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 64, 67, 70, 74, 80, 98, 112, 128, 134, 140, 148, 160, 185, 196, 224, 245, 256, 259, 268, 280, 296, 320, 335, 370, 392, 448, 469, 490, 512, 518, 536, 560, 592, 640, 670, 740, 784, 896, 938, 980, 1024, 1036, 1072, 1120, 1184, 1280, 1295, 1340, 1480, 1568, 1792, 1813, 1876, 1960, 2072, 2144, 2240, 2345, 2368, 2479, 2560, 2590, 2680, 2960, 3136, 3283, 3584, 3626, 3752, 3920, 4144, 4288, 4480, 4690, 4736, 4958, 5120, 5180, 5360, 5920, 6272, 6566, 7168, 7252, 7504, 7840, 8288, 8576, 8960, 9065, 9380, 9472, 9916, 10360, 10720, 11840, 12395, 12544, 13132, 14504, 15008, 15680, 16415, 16576, 17152, 17353, 17920, 18130, 18760, 18944, 19832, 20720, 21440, 23680, 24790, 25088, 26264, 29008, 30016, 31360, 32830, 33152, 34304, 34706, 35840, 36260, 37520, 37888, 39664, 41440, 42880, 47360, 49580, 50176, 52528, 58016, 60032, 62720, 65660, 66304, 68608, 69412, 72520, 75040, 79328, 82880, 85760, 86765, 94720, 99160, 105056, 116032, 120064, 121471, 125440, 131320, 132608, 138824, 145040, 150080, 158656, 165760, 171520, 173530, 189440, 198320, 210112, 232064, 240128, 242942, 250880, 262640, 265216, 277648, 290080, 300160, 317312, 331520, 343040, 347060, 396640, 420224, 464128, 480256, 485884, 525280, 555296, 580160, 600320, 607355, 634624, 663040, 694120, 793280, 840448, 928256, 971768, 1050560, 1110592, 1160320, 1200640, 1214710, 1269248, 1326080, 1388240, 1586560, 1680896, 1856512, 1943536, 2101120, 2221184, 2320640, 2401280, 2429420, 2538496, 2776480, 3173120, 3361792, 3887072, 4202240, 4442368, 4641280, 4858840, 5552960, 6346240, 7774144, 8404480, 8884736, 9282560, 9717680, 11105920, 12692480, 15548288, 16808960, 17769472, 19435360, 22211840, 31096576, 38870720, 44423680, 62193152, 77741440, 88847360, 124386304, 155482880, 310965760, 621931520]

約数ペア:

[(1, 621931520), (2, 310965760), (4, 155482880), (5, 124386304), (7, 88847360), (8, 77741440), (10, 62193152), (14, 44423680), (16, 38870720), (20, 31096576), (28, 22211840), (32, 19435360), (35, 17769472), (37, 16808960), (40, 15548288), (49, 12692480), (56, 11105920), (64, 9717680), (67, 9282560), (70, 8884736), (74, 8404480), (80, 7774144), (98, 6346240), (112, 5552960), (128, 4858840), (134, 4641280), (140, 4442368), (148, 4202240), (160, 3887072), (185, 3361792), (196, 3173120), (224, 2776480), (245, 2538496), (256, 2429420), (259, 2401280), (268, 2320640), (280, 2221184), (296, 2101120), (320, 1943536), (335, 1856512), (370, 1680896), (392, 1586560), (448, 1388240), (469, 1326080), (490, 1269248), (512, 1214710), (518, 1200640), (536, 1160320), (560, 1110592), (592, 1050560), (640, 971768), (670, 928256), (740, 840448), (784, 793280), (896, 694120), (938, 663040), (980, 634624), (1024, 607355), (1036, 600320), (1072, 580160), (1120, 555296), (1184, 525280), (1280, 485884), (1295, 480256), (1340, 464128), (1480, 420224), (1568, 396640), (1792, 347060), (1813, 343040), (1876, 331520), (1960, 317312), (2072, 300160), (2144, 290080), (2240, 277648), (2345, 265216), (2368, 262640), (2479, 250880), (2560, 242942), (2590, 240128), (2680, 232064), (2960, 210112), (3136, 198320), (3283, 189440), (3584, 173530), (3626, 171520), (3752, 165760), (3920, 158656), (4144, 150080), (4288, 145040), (4480, 138824), (4690, 132608), (4736, 131320), (4958, 125440), (5120, 121471), (5180, 120064), (5360, 116032), (5920, 105056), (6272, 99160), (6566, 94720), (7168, 86765), (7252, 85760), (7504, 82880), (7840, 79328), (8288, 75040), (8576, 72520), (8960, 69412), (9065, 68608), (9380, 66304), (9472, 65660), (9916, 62720), (10360, 60032), (10720, 58016), (11840, 52528), (12395, 50176), (12544, 49580), (13132, 47360), (14504, 42880), (15008, 41440), (15680, 39664), (16415, 37888), (16576, 37520), (17152, 36260), (17353, 35840), (17920, 34706), (18130, 34304), (18760, 33152), (18944, 32830), (19832, 31360), (20720, 30016), (21440, 29008), (23680, 26264), (24790, 25088)]