127203520

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:450

約数の個数: 112

約数和(自身を含む): 326440800

約数和(自身を除く): 199237280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 67, 68, 80, 85, 134, 136, 160, 170, 268, 272, 320, 335, 340, 349, 536, 544, 670, 680, 698, 1072, 1088, 1139, 1340, 1360, 1396, 1745, 2144, 2278, 2680, 2720, 2792, 3490, 4288, 4556, 5360, 5440, 5584, 5695, 5933, 6980, 9112, 10720, 11168, 11390, 11866, 13960, 18224, 21440, 22336, 22780, 23383, 23732, 27920, 29665, 36448, 45560, 46766, 47464, 55840, 59330, 72896, 91120, 93532, 94928, 111680, 116915, 118660, 182240, 187064, 189856, 233830, 237320, 364480, 374128, 379712, 397511, 467660, 474640, 748256, 795022, 935320, 949280, 1496512, 1590044, 1870640, 1898560, 1987555, 3180088, 3741280, 3975110, 6360176, 7482560, 7950220, 12720352, 15900440, 25440704, 31800880, 63601760, 127203520]

約数ペア:

[(1, 127203520), (2, 63601760), (4, 31800880), (5, 25440704), (8, 15900440), (10, 12720352), (16, 7950220), (17, 7482560), (20, 6360176), (32, 3975110), (34, 3741280), (40, 3180088), (64, 1987555), (67, 1898560), (68, 1870640), (80, 1590044), (85, 1496512), (134, 949280), (136, 935320), (160, 795022), (170, 748256), (268, 474640), (272, 467660), (320, 397511), (335, 379712), (340, 374128), (349, 364480), (536, 237320), (544, 233830), (670, 189856), (680, 187064), (698, 182240), (1072, 118660), (1088, 116915), (1139, 111680), (1340, 94928), (1360, 93532), (1396, 91120), (1745, 72896), (2144, 59330), (2278, 55840), (2680, 47464), (2720, 46766), (2792, 45560), (3490, 36448), (4288, 29665), (4556, 27920), (5360, 23732), (5440, 23383), (5584, 22780), (5695, 22336), (5933, 21440), (6980, 18224), (9112, 13960), (10720, 11866), (11168, 11390)]