491485440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{859}}^1$

素因数の和:1032

約数の個数: 144

約数和(自身を含む): 1582056000

約数和(自身を除く): 1090570560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 149, 160, 192, 240, 256, 298, 320, 384, 447, 480, 596, 640, 745, 768, 859, 894, 960, 1192, 1280, 1490, 1718, 1788, 1920, 2235, 2384, 2577, 2980, 3436, 3576, 3840, 4295, 4470, 4768, 5154, 5960, 6872, 7152, 8590, 8940, 9536, 10308, 11920, 12885, 13744, 14304, 17180, 17880, 19072, 20616, 23840, 25770, 27488, 28608, 34360, 35760, 38144, 41232, 47680, 51540, 54976, 57216, 68720, 71520, 82464, 95360, 103080, 109952, 114432, 127991, 137440, 143040, 164928, 190720, 206160, 219904, 255982, 274880, 286080, 329856, 383973, 412320, 511964, 549760, 572160, 639955, 659712, 767946, 824640, 1023928, 1099520, 1279910, 1535892, 1649280, 1919865, 2047856, 2559820, 3071784, 3298560, 3839730, 4095712, 5119640, 6143568, 7679460, 8191424, 10239280, 12287136, 15358920, 16382848, 20478560, 24574272, 30717840, 32765696, 40957120, 49148544, 61435680, 81914240, 98297088, 122871360, 163828480, 245742720, 491485440]

約数ペア:

[(1, 491485440), (2, 245742720), (3, 163828480), (4, 122871360), (5, 98297088), (6, 81914240), (8, 61435680), (10, 49148544), (12, 40957120), (15, 32765696), (16, 30717840), (20, 24574272), (24, 20478560), (30, 16382848), (32, 15358920), (40, 12287136), (48, 10239280), (60, 8191424), (64, 7679460), (80, 6143568), (96, 5119640), (120, 4095712), (128, 3839730), (149, 3298560), (160, 3071784), (192, 2559820), (240, 2047856), (256, 1919865), (298, 1649280), (320, 1535892), (384, 1279910), (447, 1099520), (480, 1023928), (596, 824640), (640, 767946), (745, 659712), (768, 639955), (859, 572160), (894, 549760), (960, 511964), (1192, 412320), (1280, 383973), (1490, 329856), (1718, 286080), (1788, 274880), (1920, 255982), (2235, 219904), (2384, 206160), (2577, 190720), (2980, 164928), (3436, 143040), (3576, 137440), (3840, 127991), (4295, 114432), (4470, 109952), (4768, 103080), (5154, 95360), (5960, 82464), (6872, 71520), (7152, 68720), (8590, 57216), (8940, 54976), (9536, 51540), (10308, 47680), (11920, 41232), (12885, 38144), (13744, 35760), (14304, 34360), (17180, 28608), (17880, 27488), (19072, 25770), (20616, 23840)]