201531520

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13691}}^1$

素因数の和:13733

約数の個数: 64

約数和(自身を含む): 502770240

約数和(自身を除く): 301238720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 7360, 13691, 14720, 27382, 54764, 68455, 109528, 136910, 219056, 273820, 314893, 438112, 547640, 629786, 876224, 1095280, 1259572, 1574465, 1752448, 2190560, 2519144, 3148930, 4381120, 5038288, 6297860, 8762240, 10076576, 12595720, 20153152, 25191440, 40306304, 50382880, 100765760, 201531520]

約数ペア:

[(1, 201531520), (2, 100765760), (4, 50382880), (5, 40306304), (8, 25191440), (10, 20153152), (16, 12595720), (20, 10076576), (23, 8762240), (32, 6297860), (40, 5038288), (46, 4381120), (64, 3148930), (80, 2519144), (92, 2190560), (115, 1752448), (128, 1574465), (160, 1259572), (184, 1095280), (230, 876224), (320, 629786), (368, 547640), (460, 438112), (640, 314893), (736, 273820), (920, 219056), (1472, 136910), (1840, 109528), (2944, 68455), (3680, 54764), (7360, 27382), (13691, 14720)]