204789120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{106661}}^1$

素因数の和:106683

約数の個数: 64

約数和(自身を含む): 652771440

約数和(自身を除く): 447982320

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, 106661, 213322, 319983, 426644, 533305, 639966, 853288, 1066610, 1279932, 1599915, 1706576, 2133220, 2559864, 3199830, 3413152, 4266440, 5119728, 6399660, 6826304, 8532880, 10239456, 12799320, 13652608, 17065760, 20478912, 25598640, 34131520, 40957824, 51197280, 68263040, 102394560, 204789120]

約数ペア:

[(1, 204789120), (2, 102394560), (3, 68263040), (4, 51197280), (5, 40957824), (6, 34131520), (8, 25598640), (10, 20478912), (12, 17065760), (15, 13652608), (16, 12799320), (20, 10239456), (24, 8532880), (30, 6826304), (32, 6399660), (40, 5119728), (48, 4266440), (60, 3413152), (64, 3199830), (80, 2559864), (96, 2133220), (120, 1706576), (128, 1599915), (160, 1279932), (192, 1066610), (240, 853288), (320, 639966), (384, 533305), (480, 426644), (640, 319983), (960, 213322), (1920, 106661)]