259318920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{308713}}^1$

素因数の和:308734

約数の個数: 64

約数和(自身を含む): 889096320

約数和(自身を除く): 629777400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 308713, 617426, 926139, 1234852, 1543565, 1852278, 2160991, 2469704, 3087130, 3704556, 4321982, 4630695, 6174260, 6482973, 7409112, 8643964, 9261390, 10804955, 12348520, 12965946, 17287928, 18522780, 21609910, 25931892, 32414865, 37045560, 43219820, 51863784, 64829730, 86439640, 129659460, 259318920]

約数ペア:

[(1, 259318920), (2, 129659460), (3, 86439640), (4, 64829730), (5, 51863784), (6, 43219820), (7, 37045560), (8, 32414865), (10, 25931892), (12, 21609910), (14, 18522780), (15, 17287928), (20, 12965946), (21, 12348520), (24, 10804955), (28, 9261390), (30, 8643964), (35, 7409112), (40, 6482973), (42, 6174260), (56, 4630695), (60, 4321982), (70, 3704556), (84, 3087130), (105, 2469704), (120, 2160991), (140, 1852278), (168, 1543565), (210, 1234852), (280, 926139), (420, 617426), (840, 308713)]