254373120

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:409

約数の個数: 216

約数和(自身を含む): 895370112

約数和(自身を除く): 640996992

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, 71, 72, 80, 90, 96, 120, 128, 142, 144, 160, 180, 192, 213, 240, 256, 284, 288, 311, 320, 355, 360, 384, 426, 480, 568, 576, 622, 639, 640, 710, 720, 768, 852, 933, 960, 1065, 1136, 1152, 1244, 1278, 1280, 1420, 1440, 1555, 1704, 1866, 1920, 2130, 2272, 2304, 2488, 2556, 2799, 2840, 2880, 3110, 3195, 3408, 3732, 3840, 4260, 4544, 4665, 4976, 5112, 5598, 5680, 5760, 6220, 6390, 6816, 7464, 8520, 9088, 9330, 9952, 10224, 11196, 11360, 11520, 12440, 12780, 13632, 13995, 14928, 17040, 18176, 18660, 19904, 20448, 22081, 22392, 22720, 24880, 25560, 27264, 27990, 29856, 34080, 37320, 39808, 40896, 44162, 44784, 45440, 49760, 51120, 54528, 55980, 59712, 66243, 68160, 74640, 79616, 81792, 88324, 89568, 90880, 99520, 102240, 110405, 111960, 119424, 132486, 136320, 149280, 163584, 176648, 179136, 198729, 199040, 204480, 220810, 223920, 238848, 264972, 272640, 298560, 331215, 353296, 358272, 397458, 398080, 408960, 441620, 447840, 529944, 597120, 662430, 706592, 716544, 794916, 817920, 883240, 895680, 993645, 1059888, 1194240, 1324860, 1413184, 1589832, 1766480, 1791360, 1987290, 2119776, 2649720, 2826368, 3179664, 3532960, 3582720, 3974580, 4239552, 5299440, 5652736, 6359328, 7065920, 7949160, 8479104, 10598880, 12718656, 14131840, 15898320, 16958208, 21197760, 25437312, 28263680, 31796640, 42395520, 50874624, 63593280, 84791040, 127186560, 254373120]

約数ペア:

[(1, 254373120), (2, 127186560), (3, 84791040), (4, 63593280), (5, 50874624), (6, 42395520), (8, 31796640), (9, 28263680), (10, 25437312), (12, 21197760), (15, 16958208), (16, 15898320), (18, 14131840), (20, 12718656), (24, 10598880), (30, 8479104), (32, 7949160), (36, 7065920), (40, 6359328), (45, 5652736), (48, 5299440), (60, 4239552), (64, 3974580), (71, 3582720), (72, 3532960), (80, 3179664), (90, 2826368), (96, 2649720), (120, 2119776), (128, 1987290), (142, 1791360), (144, 1766480), (160, 1589832), (180, 1413184), (192, 1324860), (213, 1194240), (240, 1059888), (256, 993645), (284, 895680), (288, 883240), (311, 817920), (320, 794916), (355, 716544), (360, 706592), (384, 662430), (426, 597120), (480, 529944), (568, 447840), (576, 441620), (622, 408960), (639, 398080), (640, 397458), (710, 358272), (720, 353296), (768, 331215), (852, 298560), (933, 272640), (960, 264972), (1065, 238848), (1136, 223920), (1152, 220810), (1244, 204480), (1278, 199040), (1280, 198729), (1420, 179136), (1440, 176648), (1555, 163584), (1704, 149280), (1866, 136320), (1920, 132486), (2130, 119424), (2272, 111960), (2304, 110405), (2488, 102240), (2556, 99520), (2799, 90880), (2840, 89568), (2880, 88324), (3110, 81792), (3195, 79616), (3408, 74640), (3732, 68160), (3840, 66243), (4260, 59712), (4544, 55980), (4665, 54528), (4976, 51120), (5112, 49760), (5598, 45440), (5680, 44784), (5760, 44162), (6220, 40896), (6390, 39808), (6816, 37320), (7464, 34080), (8520, 29856), (9088, 27990), (9330, 27264), (9952, 25560), (10224, 24880), (11196, 22720), (11360, 22392), (11520, 22081), (12440, 20448), (12780, 19904), (13632, 18660), (13995, 18176), (14928, 17040)]