61477640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2467}}^1$

素因数の和:2574

約数の個数: 64

約数和(自身を含む): 159926400

約数和(自身を除く): 98448760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2467, 2492, 3115, 3560, 4934, 4984, 6230, 9868, 12335, 12460, 17269, 19736, 24670, 24920, 34538, 49340, 69076, 86345, 98680, 138152, 172690, 219563, 345380, 439126, 690760, 878252, 1097815, 1536941, 1756504, 2195630, 3073882, 4391260, 6147764, 7684705, 8782520, 12295528, 15369410, 30738820, 61477640]

約数ペア:

[(1, 61477640), (2, 30738820), (4, 15369410), (5, 12295528), (7, 8782520), (8, 7684705), (10, 6147764), (14, 4391260), (20, 3073882), (28, 2195630), (35, 1756504), (40, 1536941), (56, 1097815), (70, 878252), (89, 690760), (140, 439126), (178, 345380), (280, 219563), (356, 172690), (445, 138152), (623, 98680), (712, 86345), (890, 69076), (1246, 49340), (1780, 34538), (2467, 24920), (2492, 24670), (3115, 19736), (3560, 17269), (4934, 12460), (4984, 12335), (6230, 9868)]