28751040

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:239

約数の個数: 168

約数和(自身を含む): 101041200

約数和(自身を除く): 72290160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 67, 72, 80, 90, 96, 120, 134, 144, 149, 160, 180, 192, 201, 240, 268, 288, 298, 320, 335, 360, 402, 447, 480, 536, 576, 596, 603, 670, 720, 745, 804, 894, 960, 1005, 1072, 1192, 1206, 1340, 1341, 1440, 1490, 1608, 1788, 2010, 2144, 2235, 2384, 2412, 2680, 2682, 2880, 2980, 3015, 3216, 3576, 4020, 4288, 4470, 4768, 4824, 5360, 5364, 5960, 6030, 6432, 6705, 7152, 8040, 8940, 9536, 9648, 9983, 10720, 10728, 11920, 12060, 12864, 13410, 14304, 16080, 17880, 19296, 19966, 21440, 21456, 23840, 24120, 26820, 28608, 29949, 32160, 35760, 38592, 39932, 42912, 47680, 48240, 49915, 53640, 59898, 64320, 71520, 79864, 85824, 89847, 96480, 99830, 107280, 119796, 143040, 149745, 159728, 179694, 192960, 199660, 214560, 239592, 299490, 319456, 359388, 399320, 429120, 449235, 479184, 598980, 638912, 718776, 798640, 898470, 958368, 1197960, 1437552, 1597280, 1796940, 1916736, 2395920, 2875104, 3194560, 3593880, 4791840, 5750208, 7187760, 9583680, 14375520, 28751040]

約数ペア:

[(1, 28751040), (2, 14375520), (3, 9583680), (4, 7187760), (5, 5750208), (6, 4791840), (8, 3593880), (9, 3194560), (10, 2875104), (12, 2395920), (15, 1916736), (16, 1796940), (18, 1597280), (20, 1437552), (24, 1197960), (30, 958368), (32, 898470), (36, 798640), (40, 718776), (45, 638912), (48, 598980), (60, 479184), (64, 449235), (67, 429120), (72, 399320), (80, 359388), (90, 319456), (96, 299490), (120, 239592), (134, 214560), (144, 199660), (149, 192960), (160, 179694), (180, 159728), (192, 149745), (201, 143040), (240, 119796), (268, 107280), (288, 99830), (298, 96480), (320, 89847), (335, 85824), (360, 79864), (402, 71520), (447, 64320), (480, 59898), (536, 53640), (576, 49915), (596, 48240), (603, 47680), (670, 42912), (720, 39932), (745, 38592), (804, 35760), (894, 32160), (960, 29949), (1005, 28608), (1072, 26820), (1192, 24120), (1206, 23840), (1340, 21456), (1341, 21440), (1440, 19966), (1490, 19296), (1608, 17880), (1788, 16080), (2010, 14304), (2144, 13410), (2235, 12864), (2384, 12060), (2412, 11920), (2680, 10728), (2682, 10720), (2880, 9983), (2980, 9648), (3015, 9536), (3216, 8940), (3576, 8040), (4020, 7152), (4288, 6705), (4470, 6432), (4768, 6030), (4824, 5960), (5360, 5364)]