72957640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3889}}^1$

素因数の和:3974

約数の個数: 64

約数和(自身を含む): 190454400

約数和(自身を除く): 117496760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1876, 2345, 2680, 3752, 3889, 4690, 7778, 9380, 15556, 18760, 19445, 27223, 31112, 38890, 54446, 77780, 108892, 136115, 155560, 217784, 260563, 272230, 521126, 544460, 1042252, 1088920, 1302815, 1823941, 2084504, 2605630, 3647882, 5211260, 7295764, 9119705, 10422520, 14591528, 18239410, 36478820, 72957640]

約数ペア:

[(1, 72957640), (2, 36478820), (4, 18239410), (5, 14591528), (7, 10422520), (8, 9119705), (10, 7295764), (14, 5211260), (20, 3647882), (28, 2605630), (35, 2084504), (40, 1823941), (56, 1302815), (67, 1088920), (70, 1042252), (134, 544460), (140, 521126), (268, 272230), (280, 260563), (335, 217784), (469, 155560), (536, 136115), (670, 108892), (938, 77780), (1340, 54446), (1876, 38890), (2345, 31112), (2680, 27223), (3752, 19445), (3889, 18760), (4690, 15556), (7778, 9380)]