64451380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7547}}^1$

素因数の和:7624

約数の個数: 48

約数和(自身を含む): 157239936

約数和(自身を除く): 92788556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 7547, 8540, 15094, 30188, 37735, 52829, 75470, 105658, 150940, 211316, 264145, 460367, 528290, 920734, 1056580, 1841468, 2301835, 3222569, 4603670, 6445138, 9207340, 12890276, 16112845, 32225690, 64451380]

約数ペア:

[(1, 64451380), (2, 32225690), (4, 16112845), (5, 12890276), (7, 9207340), (10, 6445138), (14, 4603670), (20, 3222569), (28, 2301835), (35, 1841468), (61, 1056580), (70, 920734), (122, 528290), (140, 460367), (244, 264145), (305, 211316), (427, 150940), (610, 105658), (854, 75470), (1220, 52829), (1708, 37735), (2135, 30188), (4270, 15094), (7547, 8540)]