181233920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 503314560

約数和(自身を除く): 322080640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 113, 128, 140, 160, 179, 224, 226, 256, 280, 320, 358, 448, 452, 560, 565, 640, 716, 791, 895, 896, 904, 1120, 1130, 1253, 1280, 1432, 1582, 1790, 1792, 1808, 2240, 2260, 2506, 2864, 3164, 3580, 3616, 3955, 4480, 4520, 5012, 5728, 6265, 6328, 7160, 7232, 7910, 8960, 9040, 10024, 11456, 12530, 12656, 14320, 14464, 15820, 18080, 20048, 20227, 22912, 25060, 25312, 28640, 28928, 31640, 36160, 40096, 40454, 45824, 50120, 50624, 57280, 63280, 72320, 80192, 80908, 100240, 101135, 101248, 114560, 126560, 141589, 144640, 160384, 161816, 200480, 202270, 202496, 229120, 253120, 283178, 320768, 323632, 400960, 404540, 506240, 566356, 647264, 707945, 801920, 809080, 1012480, 1132712, 1294528, 1415890, 1603840, 1618160, 2265424, 2589056, 2831780, 3236320, 4530848, 5178112, 5663560, 6472640, 9061696, 11327120, 12945280, 18123392, 22654240, 25890560, 36246784, 45308480, 90616960, 181233920]

約数ペア:

[(1, 181233920), (2, 90616960), (4, 45308480), (5, 36246784), (7, 25890560), (8, 22654240), (10, 18123392), (14, 12945280), (16, 11327120), (20, 9061696), (28, 6472640), (32, 5663560), (35, 5178112), (40, 4530848), (56, 3236320), (64, 2831780), (70, 2589056), (80, 2265424), (112, 1618160), (113, 1603840), (128, 1415890), (140, 1294528), (160, 1132712), (179, 1012480), (224, 809080), (226, 801920), (256, 707945), (280, 647264), (320, 566356), (358, 506240), (448, 404540), (452, 400960), (560, 323632), (565, 320768), (640, 283178), (716, 253120), (791, 229120), (895, 202496), (896, 202270), (904, 200480), (1120, 161816), (1130, 160384), (1253, 144640), (1280, 141589), (1432, 126560), (1582, 114560), (1790, 101248), (1792, 101135), (1808, 100240), (2240, 80908), (2260, 80192), (2506, 72320), (2864, 63280), (3164, 57280), (3580, 50624), (3616, 50120), (3955, 45824), (4480, 40454), (4520, 40096), (5012, 36160), (5728, 31640), (6265, 28928), (6328, 28640), (7160, 25312), (7232, 25060), (7910, 22912), (8960, 20227), (9040, 20048), (10024, 18080), (11456, 15820), (12530, 14464), (12656, 14320)]