31115840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:532

約数の個数: 112

約数和(自身を含む): 87782400

約数和(自身を除く): 56666560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 280, 290, 320, 406, 448, 464, 479, 560, 580, 812, 928, 958, 1015, 1120, 1160, 1624, 1856, 1916, 2030, 2240, 2320, 2395, 3248, 3353, 3832, 4060, 4640, 4790, 6496, 6706, 7664, 8120, 9280, 9580, 12992, 13412, 13891, 15328, 16240, 16765, 19160, 26824, 27782, 30656, 32480, 33530, 38320, 53648, 55564, 64960, 67060, 69455, 76640, 97237, 107296, 111128, 134120, 138910, 153280, 194474, 214592, 222256, 268240, 277820, 388948, 444512, 486185, 536480, 555640, 777896, 889024, 972370, 1072960, 1111280, 1555792, 1944740, 2222560, 3111584, 3889480, 4445120, 6223168, 7778960, 15557920, 31115840]

約数ペア:

[(1, 31115840), (2, 15557920), (4, 7778960), (5, 6223168), (7, 4445120), (8, 3889480), (10, 3111584), (14, 2222560), (16, 1944740), (20, 1555792), (28, 1111280), (29, 1072960), (32, 972370), (35, 889024), (40, 777896), (56, 555640), (58, 536480), (64, 486185), (70, 444512), (80, 388948), (112, 277820), (116, 268240), (140, 222256), (145, 214592), (160, 194474), (203, 153280), (224, 138910), (232, 134120), (280, 111128), (290, 107296), (320, 97237), (406, 76640), (448, 69455), (464, 67060), (479, 64960), (560, 55564), (580, 53648), (812, 38320), (928, 33530), (958, 32480), (1015, 30656), (1120, 27782), (1160, 26824), (1624, 19160), (1856, 16765), (1916, 16240), (2030, 15328), (2240, 13891), (2320, 13412), (2395, 12992), (3248, 9580), (3353, 9280), (3832, 8120), (4060, 7664), (4640, 6706), (4790, 6496)]