64276720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 157614912

約数和(自身を除く): 93338192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 181, 184, 193, 230, 362, 368, 386, 460, 724, 772, 905, 920, 965, 1448, 1544, 1810, 1840, 1930, 2896, 3088, 3620, 3860, 4163, 4439, 7240, 7720, 8326, 8878, 14480, 15440, 16652, 17756, 20815, 22195, 33304, 34933, 35512, 41630, 44390, 66608, 69866, 71024, 83260, 88780, 139732, 166520, 174665, 177560, 279464, 333040, 349330, 355120, 558928, 698660, 803459, 1397320, 1606918, 2794640, 3213836, 4017295, 6427672, 8034590, 12855344, 16069180, 32138360, 64276720]

約数ペア:

[(1, 64276720), (2, 32138360), (4, 16069180), (5, 12855344), (8, 8034590), (10, 6427672), (16, 4017295), (20, 3213836), (23, 2794640), (40, 1606918), (46, 1397320), (80, 803459), (92, 698660), (115, 558928), (181, 355120), (184, 349330), (193, 333040), (230, 279464), (362, 177560), (368, 174665), (386, 166520), (460, 139732), (724, 88780), (772, 83260), (905, 71024), (920, 69866), (965, 66608), (1448, 44390), (1544, 41630), (1810, 35512), (1840, 34933), (1930, 33304), (2896, 22195), (3088, 20815), (3620, 17756), (3860, 16652), (4163, 15440), (4439, 14480), (7240, 8878), (7720, 8326)]