81845760

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{10657}}^1$

素因数の和:10683

約数の個数: 80

約数和(自身を含む): 261675216

約数和(自身を除く): 179829456

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, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 10657, 21314, 31971, 42628, 53285, 63942, 85256, 106570, 127884, 159855, 170512, 213140, 255768, 319710, 341024, 426280, 511536, 639420, 682048, 852560, 1023072, 1278840, 1364096, 1705120, 2046144, 2557680, 2728192, 3410240, 4092288, 5115360, 5456384, 6820480, 8184576, 10230720, 13640960, 16369152, 20461440, 27281920, 40922880, 81845760]

約数ペア:

[(1, 81845760), (2, 40922880), (3, 27281920), (4, 20461440), (5, 16369152), (6, 13640960), (8, 10230720), (10, 8184576), (12, 6820480), (15, 5456384), (16, 5115360), (20, 4092288), (24, 3410240), (30, 2728192), (32, 2557680), (40, 2046144), (48, 1705120), (60, 1364096), (64, 1278840), (80, 1023072), (96, 852560), (120, 682048), (128, 639420), (160, 511536), (192, 426280), (240, 341024), (256, 319710), (320, 255768), (384, 213140), (480, 170512), (512, 159855), (640, 127884), (768, 106570), (960, 85256), (1280, 63942), (1536, 53285), (1920, 42628), (2560, 31971), (3840, 21314), (7680, 10657)]