128839290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{81031}}^1$

素因数の和:81094

約数の個数: 32

約数和(自身を含む): 315052416

約数和(自身を除く): 186213126

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 81031, 162062, 243093, 405155, 486186, 810310, 1215465, 2430930, 4294643, 8589286, 12883929, 21473215, 25767858, 42946430, 64419645, 128839290]

約数ペア:

[(1, 128839290), (2, 64419645), (3, 42946430), (5, 25767858), (6, 21473215), (10, 12883929), (15, 8589286), (30, 4294643), (53, 2430930), (106, 1215465), (159, 810310), (265, 486186), (318, 405155), (530, 243093), (795, 162062), (1590, 81031)]