389976960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8831}}^1$

素因数の和:8876

約数の個数: 128

約数和(自身を含む): 1297244160

約数和(自身を除く): 907267200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 920, 960, 1104, 1380, 1472, 1840, 1920, 2208, 2760, 2944, 3680, 4416, 5520, 7360, 8831, 8832, 11040, 14720, 17662, 22080, 26493, 35324, 44155, 44160, 52986, 70648, 88310, 105972, 132465, 141296, 176620, 203113, 211944, 264930, 282592, 353240, 406226, 423888, 529860, 565184, 609339, 706480, 812452, 847776, 1015565, 1059720, 1130368, 1218678, 1412960, 1624904, 1695552, 2031130, 2119440, 2437356, 2825920, 3046695, 3249808, 3391104, 4062260, 4238880, 4874712, 5651840, 6093390, 6499616, 8124520, 8477760, 9749424, 12186780, 12999232, 16249040, 16955520, 19498848, 24373560, 25998464, 32498080, 38997696, 48747120, 64996160, 77995392, 97494240, 129992320, 194988480, 389976960]

約数ペア:

[(1, 389976960), (2, 194988480), (3, 129992320), (4, 97494240), (5, 77995392), (6, 64996160), (8, 48747120), (10, 38997696), (12, 32498080), (15, 25998464), (16, 24373560), (20, 19498848), (23, 16955520), (24, 16249040), (30, 12999232), (32, 12186780), (40, 9749424), (46, 8477760), (48, 8124520), (60, 6499616), (64, 6093390), (69, 5651840), (80, 4874712), (92, 4238880), (96, 4062260), (115, 3391104), (120, 3249808), (128, 3046695), (138, 2825920), (160, 2437356), (184, 2119440), (192, 2031130), (230, 1695552), (240, 1624904), (276, 1412960), (320, 1218678), (345, 1130368), (368, 1059720), (384, 1015565), (460, 847776), (480, 812452), (552, 706480), (640, 609339), (690, 565184), (736, 529860), (920, 423888), (960, 406226), (1104, 353240), (1380, 282592), (1472, 264930), (1840, 211944), (1920, 203113), (2208, 176620), (2760, 141296), (2944, 132465), (3680, 105972), (4416, 88310), (5520, 70648), (7360, 52986), (8831, 44160), (8832, 44155), (11040, 35324), (14720, 26493), (17662, 22080)]