260794080

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{20123}}^1$

素因数の和:20150

約数の個数: 120

約数和(自身を含む): 920431512

約数和(自身を除く): 659637432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 20123, 40246, 60369, 80492, 100615, 120738, 160984, 181107, 201230, 241476, 301845, 321968, 362214, 402460, 482952, 543321, 603690, 643936, 724428, 804920, 905535, 965904, 1086642, 1207380, 1448856, 1609840, 1629963, 1811070, 1931808, 2173284, 2414760, 2716605, 2897712, 3219680, 3259926, 3622140, 4346568, 4829520, 5433210, 5795424, 6519852, 7244280, 8149815, 8693136, 9659040, 10866420, 13039704, 14488560, 16299630, 17386272, 21732840, 26079408, 28977120, 32599260, 43465680, 52158816, 65198520, 86931360, 130397040, 260794080]

約数ペア:

[(1, 260794080), (2, 130397040), (3, 86931360), (4, 65198520), (5, 52158816), (6, 43465680), (8, 32599260), (9, 28977120), (10, 26079408), (12, 21732840), (15, 17386272), (16, 16299630), (18, 14488560), (20, 13039704), (24, 10866420), (27, 9659040), (30, 8693136), (32, 8149815), (36, 7244280), (40, 6519852), (45, 5795424), (48, 5433210), (54, 4829520), (60, 4346568), (72, 3622140), (80, 3259926), (81, 3219680), (90, 2897712), (96, 2716605), (108, 2414760), (120, 2173284), (135, 1931808), (144, 1811070), (160, 1629963), (162, 1609840), (180, 1448856), (216, 1207380), (240, 1086642), (270, 965904), (288, 905535), (324, 804920), (360, 724428), (405, 643936), (432, 603690), (480, 543321), (540, 482952), (648, 402460), (720, 362214), (810, 321968), (864, 301845), (1080, 241476), (1296, 201230), (1440, 181107), (1620, 160984), (2160, 120738), (2592, 100615), (3240, 80492), (4320, 60369), (6480, 40246), (12960, 20123)]