281128960

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 208

約数和(自身を含む): 806780736

約数和(自身を除く): 525651776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 53, 56, 64, 70, 74, 80, 106, 112, 128, 140, 148, 160, 185, 212, 224, 256, 259, 265, 280, 296, 320, 370, 371, 424, 448, 512, 518, 530, 560, 592, 640, 740, 742, 848, 896, 1024, 1036, 1060, 1120, 1184, 1280, 1295, 1480, 1484, 1696, 1792, 1855, 1961, 2048, 2072, 2120, 2240, 2368, 2560, 2590, 2960, 2968, 3392, 3584, 3710, 3922, 4096, 4144, 4240, 4480, 4736, 5120, 5180, 5920, 5936, 6784, 7168, 7420, 7844, 8288, 8480, 8960, 9472, 9805, 10240, 10360, 11840, 11872, 13568, 13727, 14336, 14840, 15688, 16576, 16960, 17920, 18944, 19610, 20480, 20720, 23680, 23744, 27136, 27454, 28672, 29680, 31376, 33152, 33920, 35840, 37888, 39220, 41440, 47360, 47488, 54272, 54908, 59360, 62752, 66304, 67840, 68635, 71680, 75776, 78440, 82880, 94720, 94976, 108544, 109816, 118720, 125504, 132608, 135680, 137270, 143360, 151552, 156880, 165760, 189440, 189952, 217088, 219632, 237440, 251008, 265216, 271360, 274540, 313760, 331520, 378880, 379904, 439264, 474880, 502016, 530432, 542720, 549080, 627520, 663040, 757760, 759808, 878528, 949760, 1004032, 1060864, 1085440, 1098160, 1255040, 1326080, 1519616, 1757056, 1899520, 2008064, 2196320, 2510080, 2652160, 3514112, 3799040, 4016128, 4392640, 5020160, 5304320, 7028224, 7598080, 8032256, 8785280, 10040320, 14056448, 17570560, 20080640, 28112896, 35141120, 40161280, 56225792, 70282240, 140564480, 281128960]

約数ペア:

[(1, 281128960), (2, 140564480), (4, 70282240), (5, 56225792), (7, 40161280), (8, 35141120), (10, 28112896), (14, 20080640), (16, 17570560), (20, 14056448), (28, 10040320), (32, 8785280), (35, 8032256), (37, 7598080), (40, 7028224), (53, 5304320), (56, 5020160), (64, 4392640), (70, 4016128), (74, 3799040), (80, 3514112), (106, 2652160), (112, 2510080), (128, 2196320), (140, 2008064), (148, 1899520), (160, 1757056), (185, 1519616), (212, 1326080), (224, 1255040), (256, 1098160), (259, 1085440), (265, 1060864), (280, 1004032), (296, 949760), (320, 878528), (370, 759808), (371, 757760), (424, 663040), (448, 627520), (512, 549080), (518, 542720), (530, 530432), (560, 502016), (592, 474880), (640, 439264), (740, 379904), (742, 378880), (848, 331520), (896, 313760), (1024, 274540), (1036, 271360), (1060, 265216), (1120, 251008), (1184, 237440), (1280, 219632), (1295, 217088), (1480, 189952), (1484, 189440), (1696, 165760), (1792, 156880), (1855, 151552), (1961, 143360), (2048, 137270), (2072, 135680), (2120, 132608), (2240, 125504), (2368, 118720), (2560, 109816), (2590, 108544), (2960, 94976), (2968, 94720), (3392, 82880), (3584, 78440), (3710, 75776), (3922, 71680), (4096, 68635), (4144, 67840), (4240, 66304), (4480, 62752), (4736, 59360), (5120, 54908), (5180, 54272), (5920, 47488), (5936, 47360), (6784, 41440), (7168, 39220), (7420, 37888), (7844, 35840), (8288, 33920), (8480, 33152), (8960, 31376), (9472, 29680), (9805, 28672), (10240, 27454), (10360, 27136), (11840, 23744), (11872, 23680), (13568, 20720), (13727, 20480), (14336, 19610), (14840, 18944), (15688, 17920), (16576, 16960)]