259911680

素因数分解:

$2^{12}\times 5^1\times 7^3\times {\mathrm{37}}^1$

素因数の和:87

約数の個数: 208

約数和(自身を含む): 747019200

約数和(自身を除く): 487107520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 64, 70, 74, 80, 98, 112, 128, 140, 148, 160, 185, 196, 224, 245, 256, 259, 280, 296, 320, 343, 370, 392, 448, 490, 512, 518, 560, 592, 640, 686, 740, 784, 896, 980, 1024, 1036, 1120, 1184, 1280, 1295, 1372, 1480, 1568, 1715, 1792, 1813, 1960, 2048, 2072, 2240, 2368, 2560, 2590, 2744, 2960, 3136, 3430, 3584, 3626, 3920, 4096, 4144, 4480, 4736, 5120, 5180, 5488, 5920, 6272, 6860, 7168, 7252, 7840, 8288, 8960, 9065, 9472, 10240, 10360, 10976, 11840, 12544, 12691, 13720, 14336, 14504, 15680, 16576, 17920, 18130, 18944, 20480, 20720, 21952, 23680, 25088, 25382, 27440, 28672, 29008, 31360, 33152, 35840, 36260, 37888, 41440, 43904, 47360, 50176, 50764, 54880, 58016, 62720, 63455, 66304, 71680, 72520, 75776, 82880, 87808, 94720, 100352, 101528, 109760, 116032, 125440, 126910, 132608, 143360, 145040, 151552, 165760, 175616, 189440, 200704, 203056, 219520, 232064, 250880, 253820, 265216, 290080, 331520, 351232, 378880, 406112, 439040, 464128, 501760, 507640, 530432, 580160, 663040, 702464, 757760, 812224, 878080, 928256, 1003520, 1015280, 1060864, 1160320, 1326080, 1404928, 1624448, 1756160, 1856512, 2030560, 2320640, 2652160, 3248896, 3512320, 3713024, 4061120, 4641280, 5304320, 6497792, 7024640, 7426048, 8122240, 9282560, 12995584, 16244480, 18565120, 25991168, 32488960, 37130240, 51982336, 64977920, 129955840, 259911680]

約数ペア:

[(1, 259911680), (2, 129955840), (4, 64977920), (5, 51982336), (7, 37130240), (8, 32488960), (10, 25991168), (14, 18565120), (16, 16244480), (20, 12995584), (28, 9282560), (32, 8122240), (35, 7426048), (37, 7024640), (40, 6497792), (49, 5304320), (56, 4641280), (64, 4061120), (70, 3713024), (74, 3512320), (80, 3248896), (98, 2652160), (112, 2320640), (128, 2030560), (140, 1856512), (148, 1756160), (160, 1624448), (185, 1404928), (196, 1326080), (224, 1160320), (245, 1060864), (256, 1015280), (259, 1003520), (280, 928256), (296, 878080), (320, 812224), (343, 757760), (370, 702464), (392, 663040), (448, 580160), (490, 530432), (512, 507640), (518, 501760), (560, 464128), (592, 439040), (640, 406112), (686, 378880), (740, 351232), (784, 331520), (896, 290080), (980, 265216), (1024, 253820), (1036, 250880), (1120, 232064), (1184, 219520), (1280, 203056), (1295, 200704), (1372, 189440), (1480, 175616), (1568, 165760), (1715, 151552), (1792, 145040), (1813, 143360), (1960, 132608), (2048, 126910), (2072, 125440), (2240, 116032), (2368, 109760), (2560, 101528), (2590, 100352), (2744, 94720), (2960, 87808), (3136, 82880), (3430, 75776), (3584, 72520), (3626, 71680), (3920, 66304), (4096, 63455), (4144, 62720), (4480, 58016), (4736, 54880), (5120, 50764), (5180, 50176), (5488, 47360), (5920, 43904), (6272, 41440), (6860, 37888), (7168, 36260), (7252, 35840), (7840, 33152), (8288, 31360), (8960, 29008), (9065, 28672), (9472, 27440), (10240, 25382), (10360, 25088), (10976, 23680), (11840, 21952), (12544, 20720), (12691, 20480), (13720, 18944), (14336, 18130), (14504, 17920), (15680, 16576)]