66710840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2677}}^1$

素因数の和:2784

約数の個数: 64

約数和(自身を含む): 173534400

約数和(自身を除く): 106823560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 2677, 3115, 3560, 4984, 5354, 6230, 10708, 12460, 13385, 18739, 21416, 24920, 26770, 37478, 53540, 74956, 93695, 107080, 149912, 187390, 238253, 374780, 476506, 749560, 953012, 1191265, 1667771, 1906024, 2382530, 3335542, 4765060, 6671084, 8338855, 9530120, 13342168, 16677710, 33355420, 66710840]

約数ペア:

[(1, 66710840), (2, 33355420), (4, 16677710), (5, 13342168), (7, 9530120), (8, 8338855), (10, 6671084), (14, 4765060), (20, 3335542), (28, 2382530), (35, 1906024), (40, 1667771), (56, 1191265), (70, 953012), (89, 749560), (140, 476506), (178, 374780), (280, 238253), (356, 187390), (445, 149912), (623, 107080), (712, 93695), (890, 74956), (1246, 53540), (1780, 37478), (2492, 26770), (2677, 24920), (3115, 21416), (3560, 18739), (4984, 13385), (5354, 12460), (6230, 10708)]