2102940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1669}}^1$

素因数の和:1691

約数の個数: 72

約数和(自身を含む): 7294560

約数和(自身を除く): 5191620

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, 1260, 1669, 3338, 5007, 6676, 8345, 10014, 11683, 15021, 16690, 20028, 23366, 25035, 30042, 33380, 35049, 46732, 50070, 58415, 60084, 70098, 75105, 100140, 105147, 116830, 140196, 150210, 175245, 210294, 233660, 300420, 350490, 420588, 525735, 700980, 1051470, 2102940]

約数ペア:

[(1, 2102940), (2, 1051470), (3, 700980), (4, 525735), (5, 420588), (6, 350490), (7, 300420), (9, 233660), (10, 210294), (12, 175245), (14, 150210), (15, 140196), (18, 116830), (20, 105147), (21, 100140), (28, 75105), (30, 70098), (35, 60084), (36, 58415), (42, 50070), (45, 46732), (60, 35049), (63, 33380), (70, 30042), (84, 25035), (90, 23366), (105, 20028), (126, 16690), (140, 15021), (180, 11683), (210, 10014), (252, 8345), (315, 6676), (420, 5007), (630, 3338), (1260, 1669)]