28248480

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1$

素因数の和:540

約数の個数: 192

約数和(自身を含む): 106686720

約数和(自身を除く): 78438240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 351, 360, 390, 416, 432, 468, 480, 503, 520, 540, 585, 624, 702, 720, 780, 864, 936, 1006, 1040, 1080, 1170, 1248, 1404, 1440, 1509, 1560, 1755, 1872, 2012, 2080, 2160, 2340, 2515, 2808, 3018, 3120, 3510, 3744, 4024, 4320, 4527, 4680, 5030, 5616, 6036, 6240, 6539, 7020, 7545, 8048, 9054, 9360, 10060, 11232, 12072, 13078, 13581, 14040, 15090, 16096, 18108, 18720, 19617, 20120, 22635, 24144, 26156, 27162, 28080, 30180, 32695, 36216, 39234, 40240, 45270, 48288, 52312, 54324, 56160, 58851, 60360, 65390, 67905, 72432, 78468, 80480, 90540, 98085, 104624, 108648, 117702, 120720, 130780, 135810, 144864, 156936, 176553, 181080, 196170, 209248, 217296, 235404, 241440, 261560, 271620, 294255, 313872, 353106, 362160, 392340, 434592, 470808, 523120, 543240, 588510, 627744, 706212, 724320, 784680, 882765, 941616, 1046240, 1086480, 1177020, 1412424, 1569360, 1765530, 1883232, 2172960, 2354040, 2824848, 3138720, 3531060, 4708080, 5649696, 7062120, 9416160, 14124240, 28248480]

約数ペア:

[(1, 28248480), (2, 14124240), (3, 9416160), (4, 7062120), (5, 5649696), (6, 4708080), (8, 3531060), (9, 3138720), (10, 2824848), (12, 2354040), (13, 2172960), (15, 1883232), (16, 1765530), (18, 1569360), (20, 1412424), (24, 1177020), (26, 1086480), (27, 1046240), (30, 941616), (32, 882765), (36, 784680), (39, 724320), (40, 706212), (45, 627744), (48, 588510), (52, 543240), (54, 523120), (60, 470808), (65, 434592), (72, 392340), (78, 362160), (80, 353106), (90, 313872), (96, 294255), (104, 271620), (108, 261560), (117, 241440), (120, 235404), (130, 217296), (135, 209248), (144, 196170), (156, 181080), (160, 176553), (180, 156936), (195, 144864), (208, 135810), (216, 130780), (234, 120720), (240, 117702), (260, 108648), (270, 104624), (288, 98085), (312, 90540), (351, 80480), (360, 78468), (390, 72432), (416, 67905), (432, 65390), (468, 60360), (480, 58851), (503, 56160), (520, 54324), (540, 52312), (585, 48288), (624, 45270), (702, 40240), (720, 39234), (780, 36216), (864, 32695), (936, 30180), (1006, 28080), (1040, 27162), (1080, 26156), (1170, 24144), (1248, 22635), (1404, 20120), (1440, 19617), (1509, 18720), (1560, 18108), (1755, 16096), (1872, 15090), (2012, 14040), (2080, 13581), (2160, 13078), (2340, 12072), (2515, 11232), (2808, 10060), (3018, 9360), (3120, 9054), (3510, 8048), (3744, 7545), (4024, 7020), (4320, 6539), (4527, 6240), (4680, 6036), (5030, 5616)]