221552640

素因数分解:

$2^{13}\times 3^2\times 5^1\times {\mathrm{601}}^1$

素因数の和:638

約数の個数: 168

約数和(自身を含む): 769280148

約数和(自身を除く): 547727508

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 601, 640, 720, 768, 960, 1024, 1152, 1202, 1280, 1440, 1536, 1803, 1920, 2048, 2304, 2404, 2560, 2880, 3005, 3072, 3606, 3840, 4096, 4608, 4808, 5120, 5409, 5760, 6010, 6144, 7212, 7680, 8192, 9015, 9216, 9616, 10240, 10818, 11520, 12020, 12288, 14424, 15360, 18030, 18432, 19232, 20480, 21636, 23040, 24040, 24576, 27045, 28848, 30720, 36060, 36864, 38464, 40960, 43272, 46080, 48080, 54090, 57696, 61440, 72120, 73728, 76928, 86544, 92160, 96160, 108180, 115392, 122880, 144240, 153856, 173088, 184320, 192320, 216360, 230784, 288480, 307712, 346176, 368640, 384640, 432720, 461568, 576960, 615424, 692352, 769280, 865440, 923136, 1153920, 1230848, 1384704, 1538560, 1730880, 1846272, 2307840, 2461696, 2769408, 3077120, 3461760, 3692544, 4615680, 4923392, 5538816, 6154240, 6923520, 7385088, 9231360, 11077632, 12308480, 13847040, 14770176, 18462720, 22155264, 24616960, 27694080, 36925440, 44310528, 55388160, 73850880, 110776320, 221552640]

約数ペア:

[(1, 221552640), (2, 110776320), (3, 73850880), (4, 55388160), (5, 44310528), (6, 36925440), (8, 27694080), (9, 24616960), (10, 22155264), (12, 18462720), (15, 14770176), (16, 13847040), (18, 12308480), (20, 11077632), (24, 9231360), (30, 7385088), (32, 6923520), (36, 6154240), (40, 5538816), (45, 4923392), (48, 4615680), (60, 3692544), (64, 3461760), (72, 3077120), (80, 2769408), (90, 2461696), (96, 2307840), (120, 1846272), (128, 1730880), (144, 1538560), (160, 1384704), (180, 1230848), (192, 1153920), (240, 923136), (256, 865440), (288, 769280), (320, 692352), (360, 615424), (384, 576960), (480, 461568), (512, 432720), (576, 384640), (601, 368640), (640, 346176), (720, 307712), (768, 288480), (960, 230784), (1024, 216360), (1152, 192320), (1202, 184320), (1280, 173088), (1440, 153856), (1536, 144240), (1803, 122880), (1920, 115392), (2048, 108180), (2304, 96160), (2404, 92160), (2560, 86544), (2880, 76928), (3005, 73728), (3072, 72120), (3606, 61440), (3840, 57696), (4096, 54090), (4608, 48080), (4808, 46080), (5120, 43272), (5409, 40960), (5760, 38464), (6010, 36864), (6144, 36060), (7212, 30720), (7680, 28848), (8192, 27045), (9015, 24576), (9216, 24040), (9616, 23040), (10240, 21636), (10818, 20480), (11520, 19232), (12020, 18432), (12288, 18030), (14424, 15360)]