1281722910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{7129}}^1$

素因数の和:7613

約数の個数: 64

約数和(自身を含む): 3320412480

約数和(自身を除く): 2038689570

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 461, 922, 1383, 2305, 2766, 4610, 5993, 6915, 7129, 11986, 13830, 14258, 17979, 21387, 29965, 35645, 35958, 42774, 59930, 71290, 89895, 92677, 106935, 179790, 185354, 213870, 278031, 463385, 556062, 926770, 1390155, 2780310, 3286469, 6572938, 9859407, 16432345, 19718814, 32864690, 42724097, 49297035, 85448194, 98594070, 128172291, 213620485, 256344582, 427240970, 640861455, 1281722910]

約数ペア:

[(1, 1281722910), (2, 640861455), (3, 427240970), (5, 256344582), (6, 213620485), (10, 128172291), (13, 98594070), (15, 85448194), (26, 49297035), (30, 42724097), (39, 32864690), (65, 19718814), (78, 16432345), (130, 9859407), (195, 6572938), (390, 3286469), (461, 2780310), (922, 1390155), (1383, 926770), (2305, 556062), (2766, 463385), (4610, 278031), (5993, 213870), (6915, 185354), (7129, 179790), (11986, 106935), (13830, 92677), (14258, 89895), (17979, 71290), (21387, 59930), (29965, 42774), (35645, 35958)]