488178840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{20443}}^1$

素因数の和:20656

約数の個数: 64

約数和(自身を含む): 1471968000

約数和(自身を除く): 983789160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 199, 398, 597, 796, 995, 1194, 1592, 1990, 2388, 2985, 3980, 4776, 5970, 7960, 11940, 20443, 23880, 40886, 61329, 81772, 102215, 122658, 163544, 204430, 245316, 306645, 408860, 490632, 613290, 817720, 1226580, 2453160, 4068157, 8136314, 12204471, 16272628, 20340785, 24408942, 32545256, 40681570, 48817884, 61022355, 81363140, 97635768, 122044710, 162726280, 244089420, 488178840]

約数ペア:

[(1, 488178840), (2, 244089420), (3, 162726280), (4, 122044710), (5, 97635768), (6, 81363140), (8, 61022355), (10, 48817884), (12, 40681570), (15, 32545256), (20, 24408942), (24, 20340785), (30, 16272628), (40, 12204471), (60, 8136314), (120, 4068157), (199, 2453160), (398, 1226580), (597, 817720), (796, 613290), (995, 490632), (1194, 408860), (1592, 306645), (1990, 245316), (2388, 204430), (2985, 163544), (3980, 122658), (4776, 102215), (5970, 81772), (7960, 61329), (11940, 40886), (20443, 23880)]