68402820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{16057}}^1$

素因数の和:16140

約数の個数: 48

約数和(自身を含む): 194237568

約数和(自身を除く): 125834748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 16057, 32114, 48171, 64228, 80285, 96342, 160570, 192684, 240855, 321140, 481710, 963420, 1140047, 2280094, 3420141, 4560188, 5700235, 6840282, 11400470, 13680564, 17100705, 22800940, 34201410, 68402820]

約数ペア:

[(1, 68402820), (2, 34201410), (3, 22800940), (4, 17100705), (5, 13680564), (6, 11400470), (10, 6840282), (12, 5700235), (15, 4560188), (20, 3420141), (30, 2280094), (60, 1140047), (71, 963420), (142, 481710), (213, 321140), (284, 240855), (355, 192684), (426, 160570), (710, 96342), (852, 80285), (1065, 64228), (1420, 48171), (2130, 32114), (4260, 16057)]