15697770020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{643879}}^1$

素因数の和:643964

約数の個数: 48

約数和(自身を含む): 35047676160

約数和(自身を除く): 19349906140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 92, 106, 115, 212, 230, 265, 460, 530, 1060, 1219, 2438, 4876, 6095, 12190, 24380, 643879, 1287758, 2575516, 3219395, 6438790, 12877580, 14809217, 29618434, 34125587, 59236868, 68251174, 74046085, 136502348, 148092170, 170627935, 296184340, 341255870, 682511740, 784888501, 1569777002, 3139554004, 3924442505, 7848885010, 15697770020]

約数ペア:

[(1, 15697770020), (2, 7848885010), (4, 3924442505), (5, 3139554004), (10, 1569777002), (20, 784888501), (23, 682511740), (46, 341255870), (53, 296184340), (92, 170627935), (106, 148092170), (115, 136502348), (212, 74046085), (230, 68251174), (265, 59236868), (460, 34125587), (530, 29618434), (1060, 14809217), (1219, 12877580), (2438, 6438790), (4876, 3219395), (6095, 2575516), (12190, 1287758), (24380, 643879)]