287031720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103997}}^1$

素因数の和:104034

約数の個数: 64

約数和(自身を含む): 898542720

約数和(自身を除く): 611511000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 103997, 207994, 311991, 415988, 519985, 623982, 831976, 1039970, 1247964, 1559955, 2079940, 2391931, 2495928, 3119910, 4159880, 4783862, 6239820, 7175793, 9567724, 11959655, 12479640, 14351586, 19135448, 23919310, 28703172, 35878965, 47838620, 57406344, 71757930, 95677240, 143515860, 287031720]

約数ペア:

[(1, 287031720), (2, 143515860), (3, 95677240), (4, 71757930), (5, 57406344), (6, 47838620), (8, 35878965), (10, 28703172), (12, 23919310), (15, 19135448), (20, 14351586), (23, 12479640), (24, 11959655), (30, 9567724), (40, 7175793), (46, 6239820), (60, 4783862), (69, 4159880), (92, 3119910), (115, 2495928), (120, 2391931), (138, 2079940), (184, 1559955), (230, 1247964), (276, 1039970), (345, 831976), (460, 623982), (552, 519985), (690, 415988), (920, 311991), (1380, 207994), (2760, 103997)]