261312840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1327}}^1$

素因数の和:1891

約数の個数: 96

約数和(自身を含む): 851460480

約数和(自身を除く): 590147640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 547, 1094, 1327, 1641, 2188, 2654, 2735, 3282, 3981, 4376, 4923, 5308, 5470, 6564, 6635, 7962, 8205, 9846, 10616, 10940, 11943, 13128, 13270, 15924, 16410, 19692, 19905, 21880, 23886, 24615, 26540, 31848, 32820, 39384, 39810, 47772, 49230, 53080, 59715, 65640, 79620, 95544, 98460, 119430, 159240, 196920, 238860, 477720, 725869, 1451738, 2177607, 2903476, 3629345, 4355214, 5806952, 6532821, 7258690, 8710428, 10888035, 13065642, 14517380, 17420856, 21776070, 26131284, 29034760, 32664105, 43552140, 52262568, 65328210, 87104280, 130656420, 261312840]

約数ペア:

[(1, 261312840), (2, 130656420), (3, 87104280), (4, 65328210), (5, 52262568), (6, 43552140), (8, 32664105), (9, 29034760), (10, 26131284), (12, 21776070), (15, 17420856), (18, 14517380), (20, 13065642), (24, 10888035), (30, 8710428), (36, 7258690), (40, 6532821), (45, 5806952), (60, 4355214), (72, 3629345), (90, 2903476), (120, 2177607), (180, 1451738), (360, 725869), (547, 477720), (1094, 238860), (1327, 196920), (1641, 159240), (2188, 119430), (2654, 98460), (2735, 95544), (3282, 79620), (3981, 65640), (4376, 59715), (4923, 53080), (5308, 49230), (5470, 47772), (6564, 39810), (6635, 39384), (7962, 32820), (8205, 31848), (9846, 26540), (10616, 24615), (10940, 23886), (11943, 21880), (13128, 19905), (13270, 19692), (15924, 16410)]