156789120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:792

約数の個数: 128

約数和(自身を含む): 504483840

約数和(自身を除く): 347694720

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, 127, 128, 160, 192, 240, 254, 320, 381, 384, 480, 508, 635, 640, 643, 762, 960, 1016, 1270, 1286, 1524, 1905, 1920, 1929, 2032, 2540, 2572, 3048, 3215, 3810, 3858, 4064, 5080, 5144, 6096, 6430, 7620, 7716, 8128, 9645, 10160, 10288, 12192, 12860, 15240, 15432, 16256, 19290, 20320, 20576, 24384, 25720, 30480, 30864, 38580, 40640, 41152, 48768, 51440, 60960, 61728, 77160, 81280, 81661, 82304, 102880, 121920, 123456, 154320, 163322, 205760, 243840, 244983, 246912, 308640, 326644, 408305, 411520, 489966, 617280, 653288, 816610, 979932, 1224915, 1234560, 1306576, 1633220, 1959864, 2449830, 2613152, 3266440, 3919728, 4899660, 5226304, 6532880, 7839456, 9799320, 10452608, 13065760, 15678912, 19598640, 26131520, 31357824, 39197280, 52263040, 78394560, 156789120]

約数ペア:

[(1, 156789120), (2, 78394560), (3, 52263040), (4, 39197280), (5, 31357824), (6, 26131520), (8, 19598640), (10, 15678912), (12, 13065760), (15, 10452608), (16, 9799320), (20, 7839456), (24, 6532880), (30, 5226304), (32, 4899660), (40, 3919728), (48, 3266440), (60, 2613152), (64, 2449830), (80, 1959864), (96, 1633220), (120, 1306576), (127, 1234560), (128, 1224915), (160, 979932), (192, 816610), (240, 653288), (254, 617280), (320, 489966), (381, 411520), (384, 408305), (480, 326644), (508, 308640), (635, 246912), (640, 244983), (643, 243840), (762, 205760), (960, 163322), (1016, 154320), (1270, 123456), (1286, 121920), (1524, 102880), (1905, 82304), (1920, 81661), (1929, 81280), (2032, 77160), (2540, 61728), (2572, 60960), (3048, 51440), (3215, 48768), (3810, 41152), (3858, 40640), (4064, 38580), (5080, 30864), (5144, 30480), (6096, 25720), (6430, 24384), (7620, 20576), (7716, 20320), (8128, 19290), (9645, 16256), (10160, 15432), (10288, 15240), (12192, 12860)]