153915520

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21863}}^1$

素因数の和:21893

約数の個数: 64

約数和(自身を含む): 401423040

約数和(自身を除く): 247507520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 21863, 43726, 87452, 109315, 174904, 218630, 240493, 349808, 437260, 480986, 699616, 874520, 961972, 1202465, 1399232, 1749040, 1923944, 2404930, 2798464, 3498080, 3847888, 4809860, 6996160, 7695776, 9619720, 13992320, 15391552, 19239440, 30783104, 38478880, 76957760, 153915520]

約数ペア:

[(1, 153915520), (2, 76957760), (4, 38478880), (5, 30783104), (8, 19239440), (10, 15391552), (11, 13992320), (16, 9619720), (20, 7695776), (22, 6996160), (32, 4809860), (40, 3847888), (44, 3498080), (55, 2798464), (64, 2404930), (80, 1923944), (88, 1749040), (110, 1399232), (128, 1202465), (160, 961972), (176, 874520), (220, 699616), (320, 480986), (352, 437260), (440, 349808), (640, 240493), (704, 218630), (880, 174904), (1408, 109315), (1760, 87452), (3520, 43726), (7040, 21863)]