70520310

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{15991}}^1$

素因数の和:16018

約数の個数: 72

約数和(自身を含む): 213301296

約数和(自身を除く): 142780986

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 15991, 31982, 47973, 79955, 95946, 111937, 143919, 159910, 223874, 239865, 287838, 335811, 479730, 559685, 671622, 719595, 783559, 1007433, 1119370, 1439190, 1567118, 1679055, 2014866, 2350677, 3358110, 3917795, 4701354, 5037165, 7052031, 7835590, 10074330, 11753385, 14104062, 23506770, 35260155, 70520310]

約数ペア:

[(1, 70520310), (2, 35260155), (3, 23506770), (5, 14104062), (6, 11753385), (7, 10074330), (9, 7835590), (10, 7052031), (14, 5037165), (15, 4701354), (18, 3917795), (21, 3358110), (30, 2350677), (35, 2014866), (42, 1679055), (45, 1567118), (49, 1439190), (63, 1119370), (70, 1007433), (90, 783559), (98, 719595), (105, 671622), (126, 559685), (147, 479730), (210, 335811), (245, 287838), (294, 239865), (315, 223874), (441, 159910), (490, 143919), (630, 111937), (735, 95946), (882, 79955), (1470, 47973), (2205, 31982), (4410, 15991)]