72193380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{171889}}^1$

素因数の和:171908

約数の個数: 48

約数和(自身を含む): 231020160

約数和(自身を除く): 158826780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 171889, 343778, 515667, 687556, 859445, 1031334, 1203223, 1718890, 2062668, 2406446, 2578335, 3437780, 3609669, 4812892, 5156670, 6016115, 7219338, 10313340, 12032230, 14438676, 18048345, 24064460, 36096690, 72193380]

約数ペア:

[(1, 72193380), (2, 36096690), (3, 24064460), (4, 18048345), (5, 14438676), (6, 12032230), (7, 10313340), (10, 7219338), (12, 6016115), (14, 5156670), (15, 4812892), (20, 3609669), (21, 3437780), (28, 2578335), (30, 2406446), (35, 2062668), (42, 1718890), (60, 1203223), (70, 1031334), (84, 859445), (105, 687556), (140, 515667), (210, 343778), (420, 171889)]