28045440

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{541}}^1$

素因数の和:572

約数の個数: 160

約数和(自身を含む): 100340460

約数和(自身を除く): 72295020

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, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 541, 576, 640, 648, 720, 810, 864, 960, 1080, 1082, 1152, 1296, 1440, 1620, 1623, 1728, 1920, 2160, 2164, 2592, 2705, 2880, 3240, 3246, 3456, 4320, 4328, 4869, 5184, 5410, 5760, 6480, 6492, 8115, 8640, 8656, 9738, 10368, 10820, 12960, 12984, 14607, 16230, 17280, 17312, 19476, 21640, 24345, 25920, 25968, 29214, 32460, 34624, 38952, 43280, 43821, 48690, 51840, 51936, 58428, 64920, 69248, 73035, 77904, 86560, 87642, 97380, 103872, 116856, 129840, 146070, 155808, 173120, 175284, 194760, 207744, 219105, 233712, 259680, 292140, 311616, 346240, 350568, 389520, 438210, 467424, 519360, 584280, 623232, 701136, 779040, 876420, 934848, 1038720, 1168560, 1402272, 1558080, 1752840, 1869696, 2337120, 2804544, 3116160, 3505680, 4674240, 5609088, 7011360, 9348480, 14022720, 28045440]

約数ペア:

[(1, 28045440), (2, 14022720), (3, 9348480), (4, 7011360), (5, 5609088), (6, 4674240), (8, 3505680), (9, 3116160), (10, 2804544), (12, 2337120), (15, 1869696), (16, 1752840), (18, 1558080), (20, 1402272), (24, 1168560), (27, 1038720), (30, 934848), (32, 876420), (36, 779040), (40, 701136), (45, 623232), (48, 584280), (54, 519360), (60, 467424), (64, 438210), (72, 389520), (80, 350568), (81, 346240), (90, 311616), (96, 292140), (108, 259680), (120, 233712), (128, 219105), (135, 207744), (144, 194760), (160, 175284), (162, 173120), (180, 155808), (192, 146070), (216, 129840), (240, 116856), (270, 103872), (288, 97380), (320, 87642), (324, 86560), (360, 77904), (384, 73035), (405, 69248), (432, 64920), (480, 58428), (540, 51936), (541, 51840), (576, 48690), (640, 43821), (648, 43280), (720, 38952), (810, 34624), (864, 32460), (960, 29214), (1080, 25968), (1082, 25920), (1152, 24345), (1296, 21640), (1440, 19476), (1620, 17312), (1623, 17280), (1728, 16230), (1920, 14607), (2160, 12984), (2164, 12960), (2592, 10820), (2705, 10368), (2880, 9738), (3240, 8656), (3246, 8640), (3456, 8115), (4320, 6492), (4328, 6480), (4869, 5760), (5184, 5410)]