15984640

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{223}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 44029440

約数和(自身を除く): 28044800

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, 4460, 4480, 5120, 6244, 7136, 7168, 7805, 8920, 8960, 10240, 12488, 14272, 14336, 15610, 17840, 17920, 24976, 28544, 31220, 35680, 35840, 49952, 57088, 62440, 71360, 71680, 99904, 114176, 124880, 142720, 199808, 228352, 249760, 285440, 399616, 456704, 499520, 570880, 799232, 999040, 1141760, 1598464, 1998080, 2283520, 3196928, 3996160, 7992320, 15984640]

約数ペア:

[(1, 15984640), (2, 7992320), (4, 3996160), (5, 3196928), (7, 2283520), (8, 1998080), (10, 1598464), (14, 1141760), (16, 999040), (20, 799232), (28, 570880), (32, 499520), (35, 456704), (40, 399616), (56, 285440), (64, 249760), (70, 228352), (80, 199808), (112, 142720), (128, 124880), (140, 114176), (160, 99904), (223, 71680), (224, 71360), (256, 62440), (280, 57088), (320, 49952), (446, 35840), (448, 35680), (512, 31220), (560, 28544), (640, 24976), (892, 17920), (896, 17840), (1024, 15610), (1115, 14336), (1120, 14272), (1280, 12488), (1561, 10240), (1784, 8960), (1792, 8920), (2048, 7805), (2230, 7168), (2240, 7136), (2560, 6244), (3122, 5120), (3568, 4480), (3584, 4460)]