28706940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53161}}^1$

素因数の和:53179

約数の個数: 48

約数和(自身を含む): 89312160

約数和(自身を除く): 60605220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 53161, 106322, 159483, 212644, 265805, 318966, 478449, 531610, 637932, 797415, 956898, 1063220, 1435347, 1594830, 1913796, 2392245, 2870694, 3189660, 4784490, 5741388, 7176735, 9568980, 14353470, 28706940]

約数ペア:

[(1, 28706940), (2, 14353470), (3, 9568980), (4, 7176735), (5, 5741388), (6, 4784490), (9, 3189660), (10, 2870694), (12, 2392245), (15, 1913796), (18, 1594830), (20, 1435347), (27, 1063220), (30, 956898), (36, 797415), (45, 637932), (54, 531610), (60, 478449), (90, 318966), (108, 265805), (135, 212644), (180, 159483), (270, 106322), (540, 53161)]