80653160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4057}}^1$

素因数の和:4146

約数の個数: 64

約数和(自身を含む): 210366720

約数和(自身を除く): 129713560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4057, 4970, 8114, 9940, 16228, 19880, 20285, 28399, 32456, 40570, 56798, 81140, 113596, 141995, 162280, 227192, 283990, 288047, 567980, 576094, 1135960, 1152188, 1440235, 2016329, 2304376, 2880470, 4032658, 5760940, 8065316, 10081645, 11521880, 16130632, 20163290, 40326580, 80653160]

約数ペア:

[(1, 80653160), (2, 40326580), (4, 20163290), (5, 16130632), (7, 11521880), (8, 10081645), (10, 8065316), (14, 5760940), (20, 4032658), (28, 2880470), (35, 2304376), (40, 2016329), (56, 1440235), (70, 1152188), (71, 1135960), (140, 576094), (142, 567980), (280, 288047), (284, 283990), (355, 227192), (497, 162280), (568, 141995), (710, 113596), (994, 81140), (1420, 56798), (1988, 40570), (2485, 32456), (2840, 28399), (3976, 20285), (4057, 19880), (4970, 16228), (8114, 9940)]