1309968440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{743}}^1\times {\mathrm{4007}}^1$

素因数の和:4772

約数の個数: 64

約数和(自身を含む): 3220508160

約数和(自身を除く): 1910539720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 743, 1486, 2972, 3715, 4007, 5944, 7430, 8014, 8173, 14860, 16028, 16346, 20035, 29720, 32056, 32692, 40070, 40865, 44077, 65384, 80140, 81730, 88154, 160280, 163460, 176308, 220385, 326920, 352616, 440770, 881540, 1763080, 2977201, 5954402, 11908804, 14886005, 23817608, 29772010, 32749211, 59544020, 65498422, 119088040, 130996844, 163746055, 261993688, 327492110, 654984220, 1309968440]

約数ペア:

[(1, 1309968440), (2, 654984220), (4, 327492110), (5, 261993688), (8, 163746055), (10, 130996844), (11, 119088040), (20, 65498422), (22, 59544020), (40, 32749211), (44, 29772010), (55, 23817608), (88, 14886005), (110, 11908804), (220, 5954402), (440, 2977201), (743, 1763080), (1486, 881540), (2972, 440770), (3715, 352616), (4007, 326920), (5944, 220385), (7430, 176308), (8014, 163460), (8173, 160280), (14860, 88154), (16028, 81730), (16346, 80140), (20035, 65384), (29720, 44077), (32056, 40865), (32692, 40070)]