72971920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{130307}}^1$

素因数の和:130327

約数の個数: 40

約数和(自身を含む): 193898304

約数和(自身を除く): 120926384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 130307, 260614, 521228, 651535, 912149, 1042456, 1303070, 1824298, 2084912, 2606140, 3648596, 4560745, 5212280, 7297192, 9121490, 10424560, 14594384, 18242980, 36485960, 72971920]

約数ペア:

[(1, 72971920), (2, 36485960), (4, 18242980), (5, 14594384), (7, 10424560), (8, 9121490), (10, 7297192), (14, 5212280), (16, 4560745), (20, 3648596), (28, 2606140), (35, 2084912), (40, 1824298), (56, 1303070), (70, 1042456), (80, 912149), (112, 651535), (140, 521228), (280, 260614), (560, 130307)]