257862240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{541}}^1$

素因数の和:893

約数の個数: 144

約数和(自身を含む): 884244816

約数和(自身を除く): 626382576

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 331, 360, 480, 541, 662, 720, 993, 1082, 1324, 1440, 1623, 1655, 1986, 2164, 2648, 2705, 2979, 3246, 3310, 3972, 4328, 4869, 4965, 5296, 5410, 5958, 6492, 6620, 7944, 8115, 8656, 9738, 9930, 10592, 10820, 11916, 12984, 13240, 14895, 15888, 16230, 17312, 19476, 19860, 21640, 23832, 24345, 25968, 26480, 29790, 31776, 32460, 38952, 39720, 43280, 47664, 48690, 51936, 52960, 59580, 64920, 77904, 79440, 86560, 95328, 97380, 119160, 129840, 155808, 158880, 179071, 194760, 238320, 259680, 358142, 389520, 476640, 537213, 716284, 779040, 895355, 1074426, 1432568, 1611639, 1790710, 2148852, 2686065, 2865136, 3223278, 3581420, 4297704, 5372130, 5730272, 6446556, 7162840, 8058195, 8595408, 10744260, 12893112, 14325680, 16116390, 17190816, 21488520, 25786224, 28651360, 32232780, 42977040, 51572448, 64465560, 85954080, 128931120, 257862240]

約数ペア:

[(1, 257862240), (2, 128931120), (3, 85954080), (4, 64465560), (5, 51572448), (6, 42977040), (8, 32232780), (9, 28651360), (10, 25786224), (12, 21488520), (15, 17190816), (16, 16116390), (18, 14325680), (20, 12893112), (24, 10744260), (30, 8595408), (32, 8058195), (36, 7162840), (40, 6446556), (45, 5730272), (48, 5372130), (60, 4297704), (72, 3581420), (80, 3223278), (90, 2865136), (96, 2686065), (120, 2148852), (144, 1790710), (160, 1611639), (180, 1432568), (240, 1074426), (288, 895355), (331, 779040), (360, 716284), (480, 537213), (541, 476640), (662, 389520), (720, 358142), (993, 259680), (1082, 238320), (1324, 194760), (1440, 179071), (1623, 158880), (1655, 155808), (1986, 129840), (2164, 119160), (2648, 97380), (2705, 95328), (2979, 86560), (3246, 79440), (3310, 77904), (3972, 64920), (4328, 59580), (4869, 52960), (4965, 51936), (5296, 48690), (5410, 47664), (5958, 43280), (6492, 39720), (6620, 38952), (7944, 32460), (8115, 31776), (8656, 29790), (9738, 26480), (9930, 25968), (10592, 24345), (10820, 23832), (11916, 21640), (12984, 19860), (13240, 19476), (14895, 17312), (15888, 16230)]