280888980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{15053}}^1$

素因数の和:15376

約数の個数: 48

約数和(自身を含む): 789070464

約数和(自身を除く): 508181484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311, 622, 933, 1244, 1555, 1866, 3110, 3732, 4665, 6220, 9330, 15053, 18660, 30106, 45159, 60212, 75265, 90318, 150530, 180636, 225795, 301060, 451590, 903180, 4681483, 9362966, 14044449, 18725932, 23407415, 28088898, 46814830, 56177796, 70222245, 93629660, 140444490, 280888980]

約数ペア:

[(1, 280888980), (2, 140444490), (3, 93629660), (4, 70222245), (5, 56177796), (6, 46814830), (10, 28088898), (12, 23407415), (15, 18725932), (20, 14044449), (30, 9362966), (60, 4681483), (311, 903180), (622, 451590), (933, 301060), (1244, 225795), (1555, 180636), (1866, 150530), (3110, 90318), (3732, 75265), (4665, 60212), (6220, 45159), (9330, 30106), (15053, 18660)]