71811840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{18701}}^1$

素因数の和:18725

約数の個数: 72

約数和(自身を含む): 229361328

約数和(自身を除く): 157549488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 18701, 37402, 56103, 74804, 93505, 112206, 149608, 187010, 224412, 280515, 299216, 374020, 448824, 561030, 598432, 748040, 897648, 1122060, 1196864, 1496080, 1795296, 2244120, 2393728, 2992160, 3590592, 4488240, 4787456, 5984320, 7181184, 8976480, 11968640, 14362368, 17952960, 23937280, 35905920, 71811840]

約数ペア:

[(1, 71811840), (2, 35905920), (3, 23937280), (4, 17952960), (5, 14362368), (6, 11968640), (8, 8976480), (10, 7181184), (12, 5984320), (15, 4787456), (16, 4488240), (20, 3590592), (24, 2992160), (30, 2393728), (32, 2244120), (40, 1795296), (48, 1496080), (60, 1196864), (64, 1122060), (80, 897648), (96, 748040), (120, 598432), (128, 561030), (160, 448824), (192, 374020), (240, 299216), (256, 280515), (320, 224412), (384, 187010), (480, 149608), (640, 112206), (768, 93505), (960, 74804), (1280, 56103), (1920, 37402), (3840, 18701)]