65640900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16831}}^1$

素因数の和:16861

約数の個数: 72

約数和(自身を含む): 204542464

約数和(自身を除く): 138901564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 16831, 33662, 50493, 67324, 84155, 100986, 168310, 201972, 218803, 252465, 336620, 420775, 437606, 504930, 656409, 841550, 875212, 1009860, 1094015, 1262325, 1312818, 1683100, 2188030, 2524650, 2625636, 3282045, 4376060, 5049300, 5470075, 6564090, 10940150, 13128180, 16410225, 21880300, 32820450, 65640900]

約数ペア:

[(1, 65640900), (2, 32820450), (3, 21880300), (4, 16410225), (5, 13128180), (6, 10940150), (10, 6564090), (12, 5470075), (13, 5049300), (15, 4376060), (20, 3282045), (25, 2625636), (26, 2524650), (30, 2188030), (39, 1683100), (50, 1312818), (52, 1262325), (60, 1094015), (65, 1009860), (75, 875212), (78, 841550), (100, 656409), (130, 504930), (150, 437606), (156, 420775), (195, 336620), (260, 252465), (300, 218803), (325, 201972), (390, 168310), (650, 100986), (780, 84155), (975, 67324), (1300, 50493), (1950, 33662), (3900, 16831)]