61781440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{27581}}^1$

素因数の和:27605

約数の個数: 56

約数和(自身を含む): 168139872

約数和(自身を除く): 106358432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 27581, 55162, 110324, 137905, 193067, 220648, 275810, 386134, 441296, 551620, 772268, 882592, 965335, 1103240, 1544536, 1765184, 1930670, 2206480, 3089072, 3861340, 4412960, 6178144, 7722680, 8825920, 12356288, 15445360, 30890720, 61781440]

約数ペア:

[(1, 61781440), (2, 30890720), (4, 15445360), (5, 12356288), (7, 8825920), (8, 7722680), (10, 6178144), (14, 4412960), (16, 3861340), (20, 3089072), (28, 2206480), (32, 1930670), (35, 1765184), (40, 1544536), (56, 1103240), (64, 965335), (70, 882592), (80, 772268), (112, 551620), (140, 441296), (160, 386134), (224, 275810), (280, 220648), (320, 193067), (448, 137905), (560, 110324), (1120, 55162), (2240, 27581)]