28018260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{155657}}^1$

素因数の和:155672

約数の個数: 36

約数和(自身を含む): 84989268

約数和(自身を除く): 56971008

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 155657, 311314, 466971, 622628, 778285, 933942, 1400913, 1556570, 1867884, 2334855, 2801826, 3113140, 4669710, 5603652, 7004565, 9339420, 14009130, 28018260]

約数ペア:

[(1, 28018260), (2, 14009130), (3, 9339420), (4, 7004565), (5, 5603652), (6, 4669710), (9, 3113140), (10, 2801826), (12, 2334855), (15, 1867884), (18, 1556570), (20, 1400913), (30, 933942), (36, 778285), (45, 622628), (60, 466971), (90, 311314), (180, 155657)]