647531520

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{42157}}^1$

素因数の和:42185

約数の個数: 88

約数和(自身を含む): 2071138224

約数和(自身を除く): 1423606704

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, 1024, 1280, 1536, 1920, 2560, 3072, 3840, 5120, 7680, 15360, 42157, 84314, 126471, 168628, 210785, 252942, 337256, 421570, 505884, 632355, 674512, 843140, 1011768, 1264710, 1349024, 1686280, 2023536, 2529420, 2698048, 3372560, 4047072, 5058840, 5396096, 6745120, 8094144, 10117680, 10792192, 13490240, 16188288, 20235360, 21584384, 26980480, 32376576, 40470720, 43168768, 53960960, 64753152, 80941440, 107921920, 129506304, 161882880, 215843840, 323765760, 647531520]

約数ペア:

[(1, 647531520), (2, 323765760), (3, 215843840), (4, 161882880), (5, 129506304), (6, 107921920), (8, 80941440), (10, 64753152), (12, 53960960), (15, 43168768), (16, 40470720), (20, 32376576), (24, 26980480), (30, 21584384), (32, 20235360), (40, 16188288), (48, 13490240), (60, 10792192), (64, 10117680), (80, 8094144), (96, 6745120), (120, 5396096), (128, 5058840), (160, 4047072), (192, 3372560), (240, 2698048), (256, 2529420), (320, 2023536), (384, 1686280), (480, 1349024), (512, 1264710), (640, 1011768), (768, 843140), (960, 674512), (1024, 632355), (1280, 505884), (1536, 421570), (1920, 337256), (2560, 252942), (3072, 210785), (3840, 168628), (5120, 126471), (7680, 84314), (15360, 42157)]