490832640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:475

約数の個数: 216

約数和(自身を含む): 1716126048

約数和(自身を除く): 1225293408

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, 72, 80, 90, 96, 120, 128, 137, 144, 160, 180, 192, 240, 256, 274, 288, 311, 320, 360, 384, 411, 480, 548, 576, 622, 640, 685, 720, 768, 822, 933, 960, 1096, 1152, 1233, 1244, 1280, 1370, 1440, 1555, 1644, 1866, 1920, 2055, 2192, 2304, 2466, 2488, 2740, 2799, 2880, 3110, 3288, 3732, 3840, 4110, 4384, 4665, 4932, 4976, 5480, 5598, 5760, 6165, 6220, 6576, 7464, 8220, 8768, 9330, 9864, 9952, 10960, 11196, 11520, 12330, 12440, 13152, 13995, 14928, 16440, 17536, 18660, 19728, 19904, 21920, 22392, 24660, 24880, 26304, 27990, 29856, 32880, 35072, 37320, 39456, 39808, 42607, 43840, 44784, 49320, 49760, 52608, 55980, 59712, 65760, 74640, 78912, 79616, 85214, 87680, 89568, 98640, 99520, 105216, 111960, 119424, 127821, 131520, 149280, 157824, 170428, 175360, 179136, 197280, 199040, 213035, 223920, 238848, 255642, 263040, 298560, 315648, 340856, 358272, 383463, 394560, 398080, 426070, 447840, 511284, 526080, 597120, 639105, 681712, 716544, 766926, 789120, 852140, 895680, 1022568, 1194240, 1278210, 1363424, 1533852, 1578240, 1704280, 1791360, 1917315, 2045136, 2556420, 2726848, 3067704, 3408560, 3582720, 3834630, 4090272, 5112840, 5453696, 6135408, 6817120, 7669260, 8180544, 10225680, 10907392, 12270816, 13634240, 15338520, 16361088, 20451360, 24541632, 27268480, 30677040, 32722176, 40902720, 49083264, 54536960, 61354080, 81805440, 98166528, 122708160, 163610880, 245416320, 490832640]

約数ペア:

[(1, 490832640), (2, 245416320), (3, 163610880), (4, 122708160), (5, 98166528), (6, 81805440), (8, 61354080), (9, 54536960), (10, 49083264), (12, 40902720), (15, 32722176), (16, 30677040), (18, 27268480), (20, 24541632), (24, 20451360), (30, 16361088), (32, 15338520), (36, 13634240), (40, 12270816), (45, 10907392), (48, 10225680), (60, 8180544), (64, 7669260), (72, 6817120), (80, 6135408), (90, 5453696), (96, 5112840), (120, 4090272), (128, 3834630), (137, 3582720), (144, 3408560), (160, 3067704), (180, 2726848), (192, 2556420), (240, 2045136), (256, 1917315), (274, 1791360), (288, 1704280), (311, 1578240), (320, 1533852), (360, 1363424), (384, 1278210), (411, 1194240), (480, 1022568), (548, 895680), (576, 852140), (622, 789120), (640, 766926), (685, 716544), (720, 681712), (768, 639105), (822, 597120), (933, 526080), (960, 511284), (1096, 447840), (1152, 426070), (1233, 398080), (1244, 394560), (1280, 383463), (1370, 358272), (1440, 340856), (1555, 315648), (1644, 298560), (1866, 263040), (1920, 255642), (2055, 238848), (2192, 223920), (2304, 213035), (2466, 199040), (2488, 197280), (2740, 179136), (2799, 175360), (2880, 170428), (3110, 157824), (3288, 149280), (3732, 131520), (3840, 127821), (4110, 119424), (4384, 111960), (4665, 105216), (4932, 99520), (4976, 98640), (5480, 89568), (5598, 87680), (5760, 85214), (6165, 79616), (6220, 78912), (6576, 74640), (7464, 65760), (8220, 59712), (8768, 55980), (9330, 52608), (9864, 49760), (9952, 49320), (10960, 44784), (11196, 43840), (11520, 42607), (12330, 39808), (12440, 39456), (13152, 37320), (13995, 35072), (14928, 32880), (16440, 29856), (17536, 27990), (18660, 26304), (19728, 24880), (19904, 24660), (21920, 22392)]