313640960

素因数分解:

$2^{11}\times 5^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:417

約数の個数: 96

約数和(自身を含む): 762161400

約数和(自身を除く): 448520440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 281, 320, 436, 512, 545, 562, 640, 872, 1024, 1090, 1124, 1280, 1405, 1744, 2048, 2180, 2248, 2560, 2810, 3488, 4360, 4496, 5120, 5620, 6976, 8720, 8992, 10240, 11240, 13952, 17440, 17984, 22480, 27904, 30629, 34880, 35968, 44960, 55808, 61258, 69760, 71936, 89920, 111616, 122516, 139520, 143872, 153145, 179840, 223232, 245032, 279040, 287744, 306290, 359680, 490064, 558080, 575488, 612580, 719360, 980128, 1116160, 1225160, 1438720, 1960256, 2450320, 2877440, 3920512, 4900640, 7841024, 9801280, 15682048, 19602560, 31364096, 39205120, 62728192, 78410240, 156820480, 313640960]

約数ペア:

[(1, 313640960), (2, 156820480), (4, 78410240), (5, 62728192), (8, 39205120), (10, 31364096), (16, 19602560), (20, 15682048), (32, 9801280), (40, 7841024), (64, 4900640), (80, 3920512), (109, 2877440), (128, 2450320), (160, 1960256), (218, 1438720), (256, 1225160), (281, 1116160), (320, 980128), (436, 719360), (512, 612580), (545, 575488), (562, 558080), (640, 490064), (872, 359680), (1024, 306290), (1090, 287744), (1124, 279040), (1280, 245032), (1405, 223232), (1744, 179840), (2048, 153145), (2180, 143872), (2248, 139520), (2560, 122516), (2810, 111616), (3488, 89920), (4360, 71936), (4496, 69760), (5120, 61258), (5620, 55808), (6976, 44960), (8720, 35968), (8992, 34880), (10240, 30629), (11240, 27904), (13952, 22480), (17440, 17984)]