85705380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1531}}^1$

素因数の和:1857

約数の個数: 72

約数和(自身を含む): 260979264

約数和(自身を除く): 175273884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 311, 622, 933, 1244, 1531, 1555, 1866, 2799, 3062, 3110, 3732, 4593, 4665, 5598, 6124, 6220, 7655, 9186, 9330, 11196, 13779, 13995, 15310, 18372, 18660, 22965, 27558, 27990, 30620, 45930, 55116, 55980, 68895, 91860, 137790, 275580, 476141, 952282, 1428423, 1904564, 2380705, 2856846, 4285269, 4761410, 5713692, 7142115, 8570538, 9522820, 14284230, 17141076, 21426345, 28568460, 42852690, 85705380]

約数ペア:

[(1, 85705380), (2, 42852690), (3, 28568460), (4, 21426345), (5, 17141076), (6, 14284230), (9, 9522820), (10, 8570538), (12, 7142115), (15, 5713692), (18, 4761410), (20, 4285269), (30, 2856846), (36, 2380705), (45, 1904564), (60, 1428423), (90, 952282), (180, 476141), (311, 275580), (622, 137790), (933, 91860), (1244, 68895), (1531, 55980), (1555, 55116), (1866, 45930), (2799, 30620), (3062, 27990), (3110, 27558), (3732, 22965), (4593, 18660), (4665, 18372), (5598, 15310), (6124, 13995), (6220, 13779), (7655, 11196), (9186, 9330)]