80520960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1613}}^1$

素因数の和:1650

約数の個数: 144

約数和(自身を含む): 277117344

約数和(自身を除く): 196596384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1560, 1613, 1664, 1920, 2080, 2496, 3120, 3226, 3328, 3840, 4160, 4839, 4992, 6240, 6452, 8065, 8320, 9678, 9984, 12480, 12904, 16130, 16640, 19356, 20969, 24195, 24960, 25808, 32260, 38712, 41938, 48390, 49920, 51616, 62907, 64520, 77424, 83876, 96780, 103232, 104845, 125814, 129040, 154848, 167752, 193560, 206464, 209690, 251628, 258080, 309696, 314535, 335504, 387120, 412928, 419380, 503256, 516160, 619392, 629070, 671008, 774240, 838760, 1006512, 1032320, 1238784, 1258140, 1342016, 1548480, 1677520, 2013024, 2064640, 2516280, 2684032, 3096960, 3355040, 4026048, 5032560, 5368064, 6193920, 6710080, 8052096, 10065120, 13420160, 16104192, 20130240, 26840320, 40260480, 80520960]

約数ペア:

[(1, 80520960), (2, 40260480), (3, 26840320), (4, 20130240), (5, 16104192), (6, 13420160), (8, 10065120), (10, 8052096), (12, 6710080), (13, 6193920), (15, 5368064), (16, 5032560), (20, 4026048), (24, 3355040), (26, 3096960), (30, 2684032), (32, 2516280), (39, 2064640), (40, 2013024), (48, 1677520), (52, 1548480), (60, 1342016), (64, 1258140), (65, 1238784), (78, 1032320), (80, 1006512), (96, 838760), (104, 774240), (120, 671008), (128, 629070), (130, 619392), (156, 516160), (160, 503256), (192, 419380), (195, 412928), (208, 387120), (240, 335504), (256, 314535), (260, 309696), (312, 258080), (320, 251628), (384, 209690), (390, 206464), (416, 193560), (480, 167752), (520, 154848), (624, 129040), (640, 125814), (768, 104845), (780, 103232), (832, 96780), (960, 83876), (1040, 77424), (1248, 64520), (1280, 62907), (1560, 51616), (1613, 49920), (1664, 48390), (1920, 41938), (2080, 38712), (2496, 32260), (3120, 25808), (3226, 24960), (3328, 24195), (3840, 20969), (4160, 19356), (4839, 16640), (4992, 16130), (6240, 12904), (6452, 12480), (8065, 9984), (8320, 9678)]