391860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{311}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 1362816

約数和(自身を除く): 970956

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 311, 315, 420, 622, 630, 933, 1244, 1260, 1555, 1866, 2177, 2799, 3110, 3732, 4354, 4665, 5598, 6220, 6531, 8708, 9330, 10885, 11196, 13062, 13995, 18660, 19593, 21770, 26124, 27990, 32655, 39186, 43540, 55980, 65310, 78372, 97965, 130620, 195930, 391860]

約数ペア:

[(1, 391860), (2, 195930), (3, 130620), (4, 97965), (5, 78372), (6, 65310), (7, 55980), (9, 43540), (10, 39186), (12, 32655), (14, 27990), (15, 26124), (18, 21770), (20, 19593), (21, 18660), (28, 13995), (30, 13062), (35, 11196), (36, 10885), (42, 9330), (45, 8708), (60, 6531), (63, 6220), (70, 5598), (84, 4665), (90, 4354), (105, 3732), (126, 3110), (140, 2799), (180, 2177), (210, 1866), (252, 1555), (311, 1260), (315, 1244), (420, 933), (622, 630)]