156958720

素因数分解:

$2^{16}\times 5^1\times {\mathrm{479}}^1$

素因数の和:516

約数の個数: 68

約数和(自身を含む): 377484480

約数和(自身を除く): 220525760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 479, 512, 640, 958, 1024, 1280, 1916, 2048, 2395, 2560, 3832, 4096, 4790, 5120, 7664, 8192, 9580, 10240, 15328, 16384, 19160, 20480, 30656, 32768, 38320, 40960, 61312, 65536, 76640, 81920, 122624, 153280, 163840, 245248, 306560, 327680, 490496, 613120, 980992, 1226240, 1961984, 2452480, 3923968, 4904960, 7847936, 9809920, 15695872, 19619840, 31391744, 39239680, 78479360, 156958720]

約数ペア:

[(1, 156958720), (2, 78479360), (4, 39239680), (5, 31391744), (8, 19619840), (10, 15695872), (16, 9809920), (20, 7847936), (32, 4904960), (40, 3923968), (64, 2452480), (80, 1961984), (128, 1226240), (160, 980992), (256, 613120), (320, 490496), (479, 327680), (512, 306560), (640, 245248), (958, 163840), (1024, 153280), (1280, 122624), (1916, 81920), (2048, 76640), (2395, 65536), (2560, 61312), (3832, 40960), (4096, 38320), (4790, 32768), (5120, 30656), (7664, 20480), (8192, 19160), (9580, 16384), (10240, 15328)]