18779520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{9781}}^1$

素因数の和:9803

約数の個数: 64

約数和(自身を含む): 59865840

約数和(自身を除く): 41086320

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, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 9781, 19562, 29343, 39124, 48905, 58686, 78248, 97810, 117372, 146715, 156496, 195620, 234744, 293430, 312992, 391240, 469488, 586860, 625984, 782480, 938976, 1173720, 1251968, 1564960, 1877952, 2347440, 3129920, 3755904, 4694880, 6259840, 9389760, 18779520]

約数ペア:

[(1, 18779520), (2, 9389760), (3, 6259840), (4, 4694880), (5, 3755904), (6, 3129920), (8, 2347440), (10, 1877952), (12, 1564960), (15, 1251968), (16, 1173720), (20, 938976), (24, 782480), (30, 625984), (32, 586860), (40, 469488), (48, 391240), (60, 312992), (64, 293430), (80, 234744), (96, 195620), (120, 156496), (128, 146715), (160, 117372), (192, 97810), (240, 78248), (320, 58686), (384, 48905), (480, 39124), (640, 29343), (960, 19562), (1920, 9781)]