2818620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{2237}}^1$

素因数の和:2259

約数の個数: 72

約数和(自身を含む): 9775584

約数和(自身を除く): 6956964

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, 2237, 4474, 6711, 8948, 11185, 13422, 15659, 20133, 22370, 26844, 31318, 33555, 40266, 44740, 46977, 62636, 67110, 78295, 80532, 93954, 100665, 134220, 140931, 156590, 187908, 201330, 234885, 281862, 313180, 402660, 469770, 563724, 704655, 939540, 1409310, 2818620]

約数ペア:

[(1, 2818620), (2, 1409310), (3, 939540), (4, 704655), (5, 563724), (6, 469770), (7, 402660), (9, 313180), (10, 281862), (12, 234885), (14, 201330), (15, 187908), (18, 156590), (20, 140931), (21, 134220), (28, 100665), (30, 93954), (35, 80532), (36, 78295), (42, 67110), (45, 62636), (60, 46977), (63, 44740), (70, 40266), (84, 33555), (90, 31318), (105, 26844), (126, 22370), (140, 20133), (180, 15659), (210, 13422), (252, 11185), (315, 8948), (420, 6711), (630, 4474), (1260, 2237)]