645298860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{136139}}^1$

素因数の和:136230

約数の個数: 48

約数和(自身を含む): 1829721600

約数和(自身を除く): 1184422740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 136139, 272278, 408417, 544556, 680695, 816834, 1361390, 1633668, 2042085, 2722780, 4084170, 8168340, 10754981, 21509962, 32264943, 43019924, 53774905, 64529886, 107549810, 129059772, 161324715, 215099620, 322649430, 645298860]

約数ペア:

[(1, 645298860), (2, 322649430), (3, 215099620), (4, 161324715), (5, 129059772), (6, 107549810), (10, 64529886), (12, 53774905), (15, 43019924), (20, 32264943), (30, 21509962), (60, 10754981), (79, 8168340), (158, 4084170), (237, 2722780), (316, 2042085), (395, 1633668), (474, 1361390), (790, 816834), (948, 680695), (1185, 544556), (1580, 408417), (2370, 272278), (4740, 136139)]