255754240

素因数分解:

$2^{15}\times 5^1\times 7^1\times {\mathrm{223}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 704632320

約数和(自身を除く): 448878080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 223, 224, 256, 280, 320, 446, 448, 512, 560, 640, 892, 896, 1024, 1115, 1120, 1280, 1561, 1784, 1792, 2048, 2230, 2240, 2560, 3122, 3568, 3584, 4096, 4460, 4480, 5120, 6244, 7136, 7168, 7805, 8192, 8920, 8960, 10240, 12488, 14272, 14336, 15610, 16384, 17840, 17920, 20480, 24976, 28544, 28672, 31220, 32768, 35680, 35840, 40960, 49952, 57088, 57344, 62440, 71360, 71680, 81920, 99904, 114176, 114688, 124880, 142720, 143360, 163840, 199808, 228352, 229376, 249760, 285440, 286720, 399616, 456704, 499520, 570880, 573440, 799232, 913408, 999040, 1141760, 1146880, 1598464, 1826816, 1998080, 2283520, 3196928, 3653632, 3996160, 4567040, 6393856, 7307264, 7992320, 9134080, 12787712, 15984640, 18268160, 25575424, 31969280, 36536320, 51150848, 63938560, 127877120, 255754240]

約数ペア:

[(1, 255754240), (2, 127877120), (4, 63938560), (5, 51150848), (7, 36536320), (8, 31969280), (10, 25575424), (14, 18268160), (16, 15984640), (20, 12787712), (28, 9134080), (32, 7992320), (35, 7307264), (40, 6393856), (56, 4567040), (64, 3996160), (70, 3653632), (80, 3196928), (112, 2283520), (128, 1998080), (140, 1826816), (160, 1598464), (223, 1146880), (224, 1141760), (256, 999040), (280, 913408), (320, 799232), (446, 573440), (448, 570880), (512, 499520), (560, 456704), (640, 399616), (892, 286720), (896, 285440), (1024, 249760), (1115, 229376), (1120, 228352), (1280, 199808), (1561, 163840), (1784, 143360), (1792, 142720), (2048, 124880), (2230, 114688), (2240, 114176), (2560, 99904), (3122, 81920), (3568, 71680), (3584, 71360), (4096, 62440), (4460, 57344), (4480, 57088), (5120, 49952), (6244, 40960), (7136, 35840), (7168, 35680), (7805, 32768), (8192, 31220), (8920, 28672), (8960, 28544), (10240, 24976), (12488, 20480), (14272, 17920), (14336, 17840), (15610, 16384)]