18102720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:302

約数の個数: 112

約数和(自身を含む): 58338720

約数和(自身を除く): 40236000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 109, 120, 160, 173, 192, 218, 240, 320, 327, 346, 436, 480, 519, 545, 654, 692, 865, 872, 960, 1038, 1090, 1308, 1384, 1635, 1730, 1744, 2076, 2180, 2595, 2616, 2768, 3270, 3460, 3488, 4152, 4360, 5190, 5232, 5536, 6540, 6920, 6976, 8304, 8720, 10380, 10464, 11072, 13080, 13840, 16608, 17440, 18857, 20760, 20928, 26160, 27680, 33216, 34880, 37714, 41520, 52320, 55360, 56571, 75428, 83040, 94285, 104640, 113142, 150856, 166080, 188570, 226284, 282855, 301712, 377140, 452568, 565710, 603424, 754280, 905136, 1131420, 1206848, 1508560, 1810272, 2262840, 3017120, 3620544, 4525680, 6034240, 9051360, 18102720]

約数ペア:

[(1, 18102720), (2, 9051360), (3, 6034240), (4, 4525680), (5, 3620544), (6, 3017120), (8, 2262840), (10, 1810272), (12, 1508560), (15, 1206848), (16, 1131420), (20, 905136), (24, 754280), (30, 603424), (32, 565710), (40, 452568), (48, 377140), (60, 301712), (64, 282855), (80, 226284), (96, 188570), (109, 166080), (120, 150856), (160, 113142), (173, 104640), (192, 94285), (218, 83040), (240, 75428), (320, 56571), (327, 55360), (346, 52320), (436, 41520), (480, 37714), (519, 34880), (545, 33216), (654, 27680), (692, 26160), (865, 20928), (872, 20760), (960, 18857), (1038, 17440), (1090, 16608), (1308, 13840), (1384, 13080), (1635, 11072), (1730, 10464), (1744, 10380), (2076, 8720), (2180, 8304), (2595, 6976), (2616, 6920), (2768, 6540), (3270, 5536), (3460, 5232), (3488, 5190), (4152, 4360)]