305522940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{71719}}^1$

素因数の和:71802

約数の個数: 48

約数和(自身を含む): 867525120

約数和(自身を除く): 562002180

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, 71719, 143438, 215157, 286876, 358595, 430314, 717190, 860628, 1075785, 1434380, 2151570, 4303140, 5092049, 10184098, 15276147, 20368196, 25460245, 30552294, 50920490, 61104588, 76380735, 101840980, 152761470, 305522940]

約数ペア:

[(1, 305522940), (2, 152761470), (3, 101840980), (4, 76380735), (5, 61104588), (6, 50920490), (10, 30552294), (12, 25460245), (15, 20368196), (20, 15276147), (30, 10184098), (60, 5092049), (71, 4303140), (142, 2151570), (213, 1434380), (284, 1075785), (355, 860628), (426, 717190), (710, 430314), (852, 358595), (1065, 286876), (1420, 215157), (2130, 143438), (4260, 71719)]