210666840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4513}}^1$

素因数の和:4916

約数の個数: 64

約数和(自身を含む): 633765600

約数和(自身を除く): 423098760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 778, 1167, 1556, 1945, 2334, 3112, 3890, 4513, 4668, 5835, 7780, 9026, 9336, 11670, 13539, 15560, 18052, 22565, 23340, 27078, 36104, 45130, 46680, 54156, 67695, 90260, 108312, 135390, 180520, 270780, 541560, 1755557, 3511114, 5266671, 7022228, 8777785, 10533342, 14044456, 17555570, 21066684, 26333355, 35111140, 42133368, 52666710, 70222280, 105333420, 210666840]

約数ペア:

[(1, 210666840), (2, 105333420), (3, 70222280), (4, 52666710), (5, 42133368), (6, 35111140), (8, 26333355), (10, 21066684), (12, 17555570), (15, 14044456), (20, 10533342), (24, 8777785), (30, 7022228), (40, 5266671), (60, 3511114), (120, 1755557), (389, 541560), (778, 270780), (1167, 180520), (1556, 135390), (1945, 108312), (2334, 90260), (3112, 67695), (3890, 54156), (4513, 46680), (4668, 45130), (5835, 36104), (7780, 27078), (9026, 23340), (9336, 22565), (11670, 18052), (13539, 15560)]