31617540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{673}}^1$

素因数の和:723

約数の個数: 120

約数和(自身を含む): 102758040

約数和(自身を除く): 71140500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 261, 270, 290, 324, 348, 405, 435, 522, 540, 580, 673, 783, 810, 870, 1044, 1305, 1346, 1566, 1620, 1740, 2019, 2349, 2610, 2692, 3132, 3365, 3915, 4038, 4698, 5220, 6057, 6730, 7830, 8076, 9396, 10095, 11745, 12114, 13460, 15660, 18171, 19517, 20190, 23490, 24228, 30285, 36342, 39034, 40380, 46980, 54513, 58551, 60570, 72684, 78068, 90855, 97585, 109026, 117102, 121140, 175653, 181710, 195170, 218052, 234204, 272565, 292755, 351306, 363420, 390340, 526959, 545130, 585510, 702612, 878265, 1053918, 1090260, 1171020, 1580877, 1756530, 2107836, 2634795, 3161754, 3513060, 5269590, 6323508, 7904385, 10539180, 15808770, 31617540]

約数ペア:

[(1, 31617540), (2, 15808770), (3, 10539180), (4, 7904385), (5, 6323508), (6, 5269590), (9, 3513060), (10, 3161754), (12, 2634795), (15, 2107836), (18, 1756530), (20, 1580877), (27, 1171020), (29, 1090260), (30, 1053918), (36, 878265), (45, 702612), (54, 585510), (58, 545130), (60, 526959), (81, 390340), (87, 363420), (90, 351306), (108, 292755), (116, 272565), (135, 234204), (145, 218052), (162, 195170), (174, 181710), (180, 175653), (261, 121140), (270, 117102), (290, 109026), (324, 97585), (348, 90855), (405, 78068), (435, 72684), (522, 60570), (540, 58551), (580, 54513), (673, 46980), (783, 40380), (810, 39034), (870, 36342), (1044, 30285), (1305, 24228), (1346, 23490), (1566, 20190), (1620, 19517), (1740, 18171), (2019, 15660), (2349, 13460), (2610, 12114), (2692, 11745), (3132, 10095), (3365, 9396), (3915, 8076), (4038, 7830), (4698, 6730), (5220, 6057)]