847980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{673}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 2944032

約数和(自身を除く): 2096052

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, 315, 420, 630, 673, 1260, 1346, 2019, 2692, 3365, 4038, 4711, 6057, 6730, 8076, 9422, 10095, 12114, 13460, 14133, 18844, 20190, 23555, 24228, 28266, 30285, 40380, 42399, 47110, 56532, 60570, 70665, 84798, 94220, 121140, 141330, 169596, 211995, 282660, 423990, 847980]

約数ペア:

[(1, 847980), (2, 423990), (3, 282660), (4, 211995), (5, 169596), (6, 141330), (7, 121140), (9, 94220), (10, 84798), (12, 70665), (14, 60570), (15, 56532), (18, 47110), (20, 42399), (21, 40380), (28, 30285), (30, 28266), (35, 24228), (36, 23555), (42, 20190), (45, 18844), (60, 14133), (63, 13460), (70, 12114), (84, 10095), (90, 9422), (105, 8076), (126, 6730), (140, 6057), (180, 4711), (210, 4038), (252, 3365), (315, 2692), (420, 2019), (630, 1346), (673, 1260)]