28585440

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:546

約数の個数: 192

約数和(自身を含む): 107956800

約数和(自身を除く): 79371360

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, 509, 520, 540, 585, 624, 702, 720, 780, 864, 936, 1018, 1040, 1080, 1170, 1248, 1404, 1440, 1527, 1560, 1755, 1872, 2036, 2080, 2160, 2340, 2545, 2808, 3054, 3120, 3510, 3744, 4072, 4320, 4581, 4680, 5090, 5616, 6108, 6240, 6617, 7020, 7635, 8144, 9162, 9360, 10180, 11232, 12216, 13234, 13743, 14040, 15270, 16288, 18324, 18720, 19851, 20360, 22905, 24432, 26468, 27486, 28080, 30540, 33085, 36648, 39702, 40720, 45810, 48864, 52936, 54972, 56160, 59553, 61080, 66170, 68715, 73296, 79404, 81440, 91620, 99255, 105872, 109944, 119106, 122160, 132340, 137430, 146592, 158808, 178659, 183240, 198510, 211744, 219888, 238212, 244320, 264680, 274860, 297765, 317616, 357318, 366480, 397020, 439776, 476424, 529360, 549720, 595530, 635232, 714636, 732960, 794040, 893295, 952848, 1058720, 1099440, 1191060, 1429272, 1588080, 1786590, 1905696, 2198880, 2382120, 2858544, 3176160, 3573180, 4764240, 5717088, 7146360, 9528480, 14292720, 28585440]

約数ペア:

[(1, 28585440), (2, 14292720), (3, 9528480), (4, 7146360), (5, 5717088), (6, 4764240), (8, 3573180), (9, 3176160), (10, 2858544), (12, 2382120), (13, 2198880), (15, 1905696), (16, 1786590), (18, 1588080), (20, 1429272), (24, 1191060), (26, 1099440), (27, 1058720), (30, 952848), (32, 893295), (36, 794040), (39, 732960), (40, 714636), (45, 635232), (48, 595530), (52, 549720), (54, 529360), (60, 476424), (65, 439776), (72, 397020), (78, 366480), (80, 357318), (90, 317616), (96, 297765), (104, 274860), (108, 264680), (117, 244320), (120, 238212), (130, 219888), (135, 211744), (144, 198510), (156, 183240), (160, 178659), (180, 158808), (195, 146592), (208, 137430), (216, 132340), (234, 122160), (240, 119106), (260, 109944), (270, 105872), (288, 99255), (312, 91620), (351, 81440), (360, 79404), (390, 73296), (416, 68715), (432, 66170), (468, 61080), (480, 59553), (509, 56160), (520, 54972), (540, 52936), (585, 48864), (624, 45810), (702, 40720), (720, 39702), (780, 36648), (864, 33085), (936, 30540), (1018, 28080), (1040, 27486), (1080, 26468), (1170, 24432), (1248, 22905), (1404, 20360), (1440, 19851), (1527, 18720), (1560, 18324), (1755, 16288), (1872, 15270), (2036, 14040), (2080, 13743), (2160, 13234), (2340, 12216), (2545, 11232), (2808, 10180), (3054, 9360), (3120, 9162), (3510, 8144), (3744, 7635), (4072, 7020), (4320, 6617), (4581, 6240), (4680, 6108), (5090, 5616)]