28864640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1$

素因数の和:422

約数の個数: 128

約数和(自身を含む): 83721600

約数和(自身を除く): 54856960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 379, 448, 476, 544, 560, 595, 640, 680, 758, 896, 952, 1088, 1120, 1190, 1360, 1516, 1895, 1904, 2176, 2240, 2380, 2653, 2720, 3032, 3790, 3808, 4480, 4760, 5306, 5440, 6064, 6443, 7580, 7616, 9520, 10612, 10880, 12128, 12886, 13265, 15160, 15232, 19040, 21224, 24256, 25772, 26530, 30320, 32215, 38080, 42448, 45101, 48512, 51544, 53060, 60640, 64430, 76160, 84896, 90202, 103088, 106120, 121280, 128860, 169792, 180404, 206176, 212240, 225505, 242560, 257720, 339584, 360808, 412352, 424480, 451010, 515440, 721616, 824704, 848960, 902020, 1030880, 1443232, 1697920, 1804040, 2061760, 2886464, 3608080, 4123520, 5772928, 7216160, 14432320, 28864640]

約数ペア:

[(1, 28864640), (2, 14432320), (4, 7216160), (5, 5772928), (7, 4123520), (8, 3608080), (10, 2886464), (14, 2061760), (16, 1804040), (17, 1697920), (20, 1443232), (28, 1030880), (32, 902020), (34, 848960), (35, 824704), (40, 721616), (56, 515440), (64, 451010), (68, 424480), (70, 412352), (80, 360808), (85, 339584), (112, 257720), (119, 242560), (128, 225505), (136, 212240), (140, 206176), (160, 180404), (170, 169792), (224, 128860), (238, 121280), (272, 106120), (280, 103088), (320, 90202), (340, 84896), (379, 76160), (448, 64430), (476, 60640), (544, 53060), (560, 51544), (595, 48512), (640, 45101), (680, 42448), (758, 38080), (896, 32215), (952, 30320), (1088, 26530), (1120, 25772), (1190, 24256), (1360, 21224), (1516, 19040), (1895, 15232), (1904, 15160), (2176, 13265), (2240, 12886), (2380, 12128), (2653, 10880), (2720, 10612), (3032, 9520), (3790, 7616), (3808, 7580), (4480, 6443), (4760, 6064), (5306, 5440)]