90830720

素因数分解:

$2^7\times 5^1\times {\mathrm{347}}^1\times {\mathrm{409}}^1$

素因数の和:775

約数の個数: 64

約数和(自身を含む): 218300400

約数和(自身を除く): 127469680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 347, 409, 640, 694, 818, 1388, 1636, 1735, 2045, 2776, 3272, 3470, 4090, 5552, 6544, 6940, 8180, 11104, 13088, 13880, 16360, 22208, 26176, 27760, 32720, 44416, 52352, 55520, 65440, 111040, 130880, 141923, 222080, 261760, 283846, 567692, 709615, 1135384, 1419230, 2270768, 2838460, 4541536, 5676920, 9083072, 11353840, 18166144, 22707680, 45415360, 90830720]

約数ペア:

[(1, 90830720), (2, 45415360), (4, 22707680), (5, 18166144), (8, 11353840), (10, 9083072), (16, 5676920), (20, 4541536), (32, 2838460), (40, 2270768), (64, 1419230), (80, 1135384), (128, 709615), (160, 567692), (320, 283846), (347, 261760), (409, 222080), (640, 141923), (694, 130880), (818, 111040), (1388, 65440), (1636, 55520), (1735, 52352), (2045, 44416), (2776, 32720), (3272, 27760), (3470, 26176), (4090, 22208), (5552, 16360), (6544, 13880), (6940, 13088), (8180, 11104)]