64678980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5417}}^1$

素因数の和:5628

約数の個数: 48

約数和(自身を含む): 182044800

約数和(自身を除く): 117365820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1990, 2388, 2985, 3980, 5417, 5970, 10834, 11940, 16251, 21668, 27085, 32502, 54170, 65004, 81255, 108340, 162510, 325020, 1077983, 2155966, 3233949, 4311932, 5389915, 6467898, 10779830, 12935796, 16169745, 21559660, 32339490, 64678980]

約数ペア:

[(1, 64678980), (2, 32339490), (3, 21559660), (4, 16169745), (5, 12935796), (6, 10779830), (10, 6467898), (12, 5389915), (15, 4311932), (20, 3233949), (30, 2155966), (60, 1077983), (199, 325020), (398, 162510), (597, 108340), (796, 81255), (995, 65004), (1194, 54170), (1990, 32502), (2388, 27085), (2985, 21668), (3980, 16251), (5417, 11940), (5970, 10834)]