649198620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{515237}}^1$

素因数の和:515259

約数の個数: 72

約数和(自身を含む): 2250559584

約数和(自身を除く): 1601360964

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, 515237, 1030474, 1545711, 2060948, 2576185, 3091422, 3606659, 4637133, 5152370, 6182844, 7213318, 7728555, 9274266, 10304740, 10819977, 14426636, 15457110, 18033295, 18548532, 21639954, 23185665, 30914220, 32459931, 36066590, 43279908, 46371330, 54099885, 64919862, 72133180, 92742660, 108199770, 129839724, 162299655, 216399540, 324599310, 649198620]

約数ペア:

[(1, 649198620), (2, 324599310), (3, 216399540), (4, 162299655), (5, 129839724), (6, 108199770), (7, 92742660), (9, 72133180), (10, 64919862), (12, 54099885), (14, 46371330), (15, 43279908), (18, 36066590), (20, 32459931), (21, 30914220), (28, 23185665), (30, 21639954), (35, 18548532), (36, 18033295), (42, 15457110), (45, 14426636), (60, 10819977), (63, 10304740), (70, 9274266), (84, 7728555), (90, 7213318), (105, 6182844), (126, 5152370), (140, 4637133), (180, 3606659), (210, 3091422), (252, 2576185), (315, 2060948), (420, 1545711), (630, 1030474), (1260, 515237)]