155520020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{6379}}^1$

素因数の和:6464

約数の個数: 48

約数和(自身を含む): 347276160

約数和(自身を除く): 191756140

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, 6379, 12190, 12758, 24380, 25516, 31895, 63790, 127580, 146717, 293434, 338087, 586868, 676174, 733585, 1352348, 1467170, 1690435, 2934340, 3380870, 6761740, 7776001, 15552002, 31104004, 38880005, 77760010, 155520020]

約数ペア:

[(1, 155520020), (2, 77760010), (4, 38880005), (5, 31104004), (10, 15552002), (20, 7776001), (23, 6761740), (46, 3380870), (53, 2934340), (92, 1690435), (106, 1467170), (115, 1352348), (212, 733585), (230, 676174), (265, 586868), (460, 338087), (530, 293434), (1060, 146717), (1219, 127580), (2438, 63790), (4876, 31895), (6095, 25516), (6379, 24380), (12190, 12758)]