257931480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2143}}^1$

素因数の和:2233

約数の個数: 128

約数和(自身を含む): 833587200

約数和(自身を除く): 575655720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 59, 60, 68, 85, 102, 118, 120, 136, 170, 177, 204, 236, 255, 295, 340, 354, 408, 472, 510, 590, 680, 708, 885, 1003, 1020, 1180, 1416, 1770, 2006, 2040, 2143, 2360, 3009, 3540, 4012, 4286, 5015, 6018, 6429, 7080, 8024, 8572, 10030, 10715, 12036, 12858, 15045, 17144, 20060, 21430, 24072, 25716, 30090, 32145, 36431, 40120, 42860, 51432, 60180, 64290, 72862, 85720, 109293, 120360, 126437, 128580, 145724, 182155, 218586, 252874, 257160, 291448, 364310, 379311, 437172, 505748, 546465, 632185, 728620, 758622, 874344, 1011496, 1092930, 1264370, 1457240, 1517244, 1896555, 2149429, 2185860, 2528740, 3034488, 3793110, 4298858, 4371720, 5057480, 6448287, 7586220, 8597716, 10747145, 12896574, 15172440, 17195432, 21494290, 25793148, 32241435, 42988580, 51586296, 64482870, 85977160, 128965740, 257931480]

約数ペア:

[(1, 257931480), (2, 128965740), (3, 85977160), (4, 64482870), (5, 51586296), (6, 42988580), (8, 32241435), (10, 25793148), (12, 21494290), (15, 17195432), (17, 15172440), (20, 12896574), (24, 10747145), (30, 8597716), (34, 7586220), (40, 6448287), (51, 5057480), (59, 4371720), (60, 4298858), (68, 3793110), (85, 3034488), (102, 2528740), (118, 2185860), (120, 2149429), (136, 1896555), (170, 1517244), (177, 1457240), (204, 1264370), (236, 1092930), (255, 1011496), (295, 874344), (340, 758622), (354, 728620), (408, 632185), (472, 546465), (510, 505748), (590, 437172), (680, 379311), (708, 364310), (885, 291448), (1003, 257160), (1020, 252874), (1180, 218586), (1416, 182155), (1770, 145724), (2006, 128580), (2040, 126437), (2143, 120360), (2360, 109293), (3009, 85720), (3540, 72862), (4012, 64290), (4286, 60180), (5015, 51432), (6018, 42860), (6429, 40120), (7080, 36431), (8024, 32145), (8572, 30090), (10030, 25716), (10715, 24072), (12036, 21430), (12858, 20060), (15045, 17144)]