18285280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 47628000

約数和(自身を除く): 29342720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 65, 80, 104, 118, 130, 149, 160, 208, 236, 260, 295, 298, 416, 472, 520, 590, 596, 745, 767, 944, 1040, 1180, 1192, 1490, 1534, 1888, 1937, 2080, 2360, 2384, 2980, 3068, 3835, 3874, 4720, 4768, 5960, 6136, 7670, 7748, 8791, 9440, 9685, 11920, 12272, 15340, 15496, 17582, 19370, 23840, 24544, 30680, 30992, 35164, 38740, 43955, 61360, 61984, 70328, 77480, 87910, 114283, 122720, 140656, 154960, 175820, 228566, 281312, 309920, 351640, 457132, 571415, 703280, 914264, 1142830, 1406560, 1828528, 2285660, 3657056, 4571320, 9142640, 18285280]

約数ペア:

[(1, 18285280), (2, 9142640), (4, 4571320), (5, 3657056), (8, 2285660), (10, 1828528), (13, 1406560), (16, 1142830), (20, 914264), (26, 703280), (32, 571415), (40, 457132), (52, 351640), (59, 309920), (65, 281312), (80, 228566), (104, 175820), (118, 154960), (130, 140656), (149, 122720), (160, 114283), (208, 87910), (236, 77480), (260, 70328), (295, 61984), (298, 61360), (416, 43955), (472, 38740), (520, 35164), (590, 30992), (596, 30680), (745, 24544), (767, 23840), (944, 19370), (1040, 17582), (1180, 15496), (1192, 15340), (1490, 12272), (1534, 11920), (1888, 9685), (1937, 9440), (2080, 8791), (2360, 7748), (2384, 7670), (2980, 6136), (3068, 5960), (3835, 4768), (3874, 4720)]