231687540

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{20431}}^1$

素因数の和:20459

約数の個数: 120

約数和(自身を含む): 830683392

約数和(自身を除く): 598995852

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 20431, 40862, 61293, 81724, 102155, 122586, 143017, 183879, 204310, 245172, 286034, 306465, 367758, 408620, 429051, 551637, 572068, 612930, 715085, 735516, 858102, 919395, 1103274, 1225860, 1287153, 1430170, 1654911, 1716204, 1838790, 2145255, 2206548, 2574306, 2758185, 2860340, 3309822, 3677580, 3861459, 4290510, 5148612, 5516370, 6435765, 6619644, 7722918, 8274555, 8581020, 11032740, 11584377, 12871530, 15445836, 16549110, 19307295, 23168754, 25743060, 33098220, 38614590, 46337508, 57921885, 77229180, 115843770, 231687540]

約数ペア:

[(1, 231687540), (2, 115843770), (3, 77229180), (4, 57921885), (5, 46337508), (6, 38614590), (7, 33098220), (9, 25743060), (10, 23168754), (12, 19307295), (14, 16549110), (15, 15445836), (18, 12871530), (20, 11584377), (21, 11032740), (27, 8581020), (28, 8274555), (30, 7722918), (35, 6619644), (36, 6435765), (42, 5516370), (45, 5148612), (54, 4290510), (60, 3861459), (63, 3677580), (70, 3309822), (81, 2860340), (84, 2758185), (90, 2574306), (105, 2206548), (108, 2145255), (126, 1838790), (135, 1716204), (140, 1654911), (162, 1430170), (180, 1287153), (189, 1225860), (210, 1103274), (252, 919395), (270, 858102), (315, 735516), (324, 715085), (378, 612930), (405, 572068), (420, 551637), (540, 429051), (567, 408620), (630, 367758), (756, 306465), (810, 286034), (945, 245172), (1134, 204310), (1260, 183879), (1620, 143017), (1890, 122586), (2268, 102155), (2835, 81724), (3780, 61293), (5670, 40862), (11340, 20431)]