216432640

素因数分解:

$2^{15}\times 5^1\times {\mathrm{1321}}^1$

素因数の和:1356

約数の個数: 64

約数和(自身を含む): 519823620

約数和(自身を除く): 303390980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1321, 2048, 2560, 2642, 4096, 5120, 5284, 6605, 8192, 10240, 10568, 13210, 16384, 20480, 21136, 26420, 32768, 40960, 42272, 52840, 81920, 84544, 105680, 163840, 169088, 211360, 338176, 422720, 676352, 845440, 1352704, 1690880, 2705408, 3381760, 5410816, 6763520, 10821632, 13527040, 21643264, 27054080, 43286528, 54108160, 108216320, 216432640]

約数ペア:

[(1, 216432640), (2, 108216320), (4, 54108160), (5, 43286528), (8, 27054080), (10, 21643264), (16, 13527040), (20, 10821632), (32, 6763520), (40, 5410816), (64, 3381760), (80, 2705408), (128, 1690880), (160, 1352704), (256, 845440), (320, 676352), (512, 422720), (640, 338176), (1024, 211360), (1280, 169088), (1321, 163840), (2048, 105680), (2560, 84544), (2642, 81920), (4096, 52840), (5120, 42272), (5284, 40960), (6605, 32768), (8192, 26420), (10240, 21136), (10568, 20480), (13210, 16384)]