28322560

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 80942400

約数和(自身を除く): 52619840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 109, 112, 116, 128, 140, 145, 160, 203, 218, 224, 232, 256, 280, 290, 320, 406, 436, 448, 464, 545, 560, 580, 640, 763, 812, 872, 896, 928, 1015, 1090, 1120, 1160, 1280, 1526, 1624, 1744, 1792, 1856, 2030, 2180, 2240, 2320, 3052, 3161, 3248, 3488, 3712, 3815, 4060, 4360, 4480, 4640, 6104, 6322, 6496, 6976, 7424, 7630, 8120, 8720, 8960, 9280, 12208, 12644, 12992, 13952, 15260, 15805, 16240, 17440, 18560, 22127, 24416, 25288, 25984, 27904, 30520, 31610, 32480, 34880, 37120, 44254, 48832, 50576, 51968, 61040, 63220, 64960, 69760, 88508, 97664, 101152, 110635, 122080, 126440, 129920, 139520, 177016, 195328, 202304, 221270, 244160, 252880, 259840, 354032, 404608, 442540, 488320, 505760, 708064, 809216, 885080, 976640, 1011520, 1416128, 1770160, 2023040, 2832256, 3540320, 4046080, 5664512, 7080640, 14161280, 28322560]

約数ペア:

[(1, 28322560), (2, 14161280), (4, 7080640), (5, 5664512), (7, 4046080), (8, 3540320), (10, 2832256), (14, 2023040), (16, 1770160), (20, 1416128), (28, 1011520), (29, 976640), (32, 885080), (35, 809216), (40, 708064), (56, 505760), (58, 488320), (64, 442540), (70, 404608), (80, 354032), (109, 259840), (112, 252880), (116, 244160), (128, 221270), (140, 202304), (145, 195328), (160, 177016), (203, 139520), (218, 129920), (224, 126440), (232, 122080), (256, 110635), (280, 101152), (290, 97664), (320, 88508), (406, 69760), (436, 64960), (448, 63220), (464, 61040), (545, 51968), (560, 50576), (580, 48832), (640, 44254), (763, 37120), (812, 34880), (872, 32480), (896, 31610), (928, 30520), (1015, 27904), (1090, 25984), (1120, 25288), (1160, 24416), (1280, 22127), (1526, 18560), (1624, 17440), (1744, 16240), (1792, 15805), (1856, 15260), (2030, 13952), (2180, 12992), (2240, 12644), (2320, 12208), (3052, 9280), (3161, 8960), (3248, 8720), (3488, 8120), (3712, 7630), (3815, 7424), (4060, 6976), (4360, 6496), (4480, 6322), (4640, 6104)]