28026880

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:74

約数の個数: 192

約数和(自身を含む): 84913920

約数和(自身を除く): 56887040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 28, 32, 34, 35, 40, 46, 56, 64, 68, 70, 80, 85, 92, 112, 115, 119, 128, 136, 140, 160, 161, 170, 184, 224, 230, 238, 256, 272, 280, 320, 322, 340, 368, 391, 448, 460, 476, 512, 544, 560, 595, 640, 644, 680, 736, 782, 805, 896, 920, 952, 1024, 1088, 1120, 1190, 1280, 1288, 1360, 1472, 1564, 1610, 1792, 1840, 1904, 1955, 2048, 2176, 2240, 2380, 2560, 2576, 2720, 2737, 2944, 3128, 3220, 3584, 3680, 3808, 3910, 4352, 4480, 4760, 5120, 5152, 5440, 5474, 5888, 6256, 6440, 7168, 7360, 7616, 7820, 8704, 8960, 9520, 10240, 10304, 10880, 10948, 11776, 12512, 12880, 13685, 14336, 14720, 15232, 15640, 17408, 17920, 19040, 20608, 21760, 21896, 23552, 25024, 25760, 27370, 29440, 30464, 31280, 34816, 35840, 38080, 41216, 43520, 43792, 47104, 50048, 51520, 54740, 58880, 60928, 62560, 71680, 76160, 82432, 87040, 87584, 100096, 103040, 109480, 117760, 121856, 125120, 152320, 164864, 174080, 175168, 200192, 206080, 218960, 235520, 243712, 250240, 304640, 329728, 350336, 400384, 412160, 437920, 500480, 609280, 700672, 800768, 824320, 875840, 1000960, 1218560, 1401344, 1648640, 1751680, 2001920, 2802688, 3503360, 4003840, 5605376, 7006720, 14013440, 28026880]

約数ペア:

[(1, 28026880), (2, 14013440), (4, 7006720), (5, 5605376), (7, 4003840), (8, 3503360), (10, 2802688), (14, 2001920), (16, 1751680), (17, 1648640), (20, 1401344), (23, 1218560), (28, 1000960), (32, 875840), (34, 824320), (35, 800768), (40, 700672), (46, 609280), (56, 500480), (64, 437920), (68, 412160), (70, 400384), (80, 350336), (85, 329728), (92, 304640), (112, 250240), (115, 243712), (119, 235520), (128, 218960), (136, 206080), (140, 200192), (160, 175168), (161, 174080), (170, 164864), (184, 152320), (224, 125120), (230, 121856), (238, 117760), (256, 109480), (272, 103040), (280, 100096), (320, 87584), (322, 87040), (340, 82432), (368, 76160), (391, 71680), (448, 62560), (460, 60928), (476, 58880), (512, 54740), (544, 51520), (560, 50048), (595, 47104), (640, 43792), (644, 43520), (680, 41216), (736, 38080), (782, 35840), (805, 34816), (896, 31280), (920, 30464), (952, 29440), (1024, 27370), (1088, 25760), (1120, 25024), (1190, 23552), (1280, 21896), (1288, 21760), (1360, 20608), (1472, 19040), (1564, 17920), (1610, 17408), (1792, 15640), (1840, 15232), (1904, 14720), (1955, 14336), (2048, 13685), (2176, 12880), (2240, 12512), (2380, 11776), (2560, 10948), (2576, 10880), (2720, 10304), (2737, 10240), (2944, 9520), (3128, 8960), (3220, 8704), (3584, 7820), (3680, 7616), (3808, 7360), (3910, 7168), (4352, 6440), (4480, 6256), (4760, 5888), (5120, 5474), (5152, 5440)]