20135520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 192

約数和(自身を含む): 72576000

約数和(自身を除く): 52440480

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, 59, 60, 72, 79, 80, 90, 96, 108, 118, 120, 135, 144, 158, 160, 177, 180, 216, 236, 237, 240, 270, 288, 295, 316, 354, 360, 395, 432, 472, 474, 480, 531, 540, 590, 632, 708, 711, 720, 790, 864, 885, 944, 948, 1062, 1080, 1180, 1185, 1264, 1416, 1422, 1440, 1580, 1593, 1770, 1888, 1896, 2124, 2133, 2160, 2360, 2370, 2528, 2655, 2832, 2844, 3160, 3186, 3540, 3555, 3792, 4248, 4266, 4320, 4661, 4720, 4740, 5310, 5664, 5688, 6320, 6372, 7080, 7110, 7584, 7965, 8496, 8532, 9322, 9440, 9480, 10620, 10665, 11376, 12640, 12744, 13983, 14160, 14220, 15930, 16992, 17064, 18644, 18960, 21240, 21330, 22752, 23305, 25488, 27966, 28320, 28440, 31860, 34128, 37288, 37920, 41949, 42480, 42660, 46610, 50976, 55932, 56880, 63720, 68256, 69915, 74576, 83898, 84960, 85320, 93220, 111864, 113760, 125847, 127440, 139830, 149152, 167796, 170640, 186440, 209745, 223728, 251694, 254880, 279660, 335592, 341280, 372880, 419490, 447456, 503388, 559320, 629235, 671184, 745760, 838980, 1006776, 1118640, 1258470, 1342368, 1677960, 2013552, 2237280, 2516940, 3355920, 4027104, 5033880, 6711840, 10067760, 20135520]

約数ペア:

[(1, 20135520), (2, 10067760), (3, 6711840), (4, 5033880), (5, 4027104), (6, 3355920), (8, 2516940), (9, 2237280), (10, 2013552), (12, 1677960), (15, 1342368), (16, 1258470), (18, 1118640), (20, 1006776), (24, 838980), (27, 745760), (30, 671184), (32, 629235), (36, 559320), (40, 503388), (45, 447456), (48, 419490), (54, 372880), (59, 341280), (60, 335592), (72, 279660), (79, 254880), (80, 251694), (90, 223728), (96, 209745), (108, 186440), (118, 170640), (120, 167796), (135, 149152), (144, 139830), (158, 127440), (160, 125847), (177, 113760), (180, 111864), (216, 93220), (236, 85320), (237, 84960), (240, 83898), (270, 74576), (288, 69915), (295, 68256), (316, 63720), (354, 56880), (360, 55932), (395, 50976), (432, 46610), (472, 42660), (474, 42480), (480, 41949), (531, 37920), (540, 37288), (590, 34128), (632, 31860), (708, 28440), (711, 28320), (720, 27966), (790, 25488), (864, 23305), (885, 22752), (944, 21330), (948, 21240), (1062, 18960), (1080, 18644), (1180, 17064), (1185, 16992), (1264, 15930), (1416, 14220), (1422, 14160), (1440, 13983), (1580, 12744), (1593, 12640), (1770, 11376), (1888, 10665), (1896, 10620), (2124, 9480), (2133, 9440), (2160, 9322), (2360, 8532), (2370, 8496), (2528, 7965), (2655, 7584), (2832, 7110), (2844, 7080), (3160, 6372), (3186, 6320), (3540, 5688), (3555, 5664), (3792, 5310), (4248, 4740), (4266, 4720), (4320, 4661)]