81941580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{65033}}^1$

素因数の和:65055

約数の個数: 72

約数和(自身を含む): 284068512

約数和(自身を除く): 202126932

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, 65033, 130066, 195099, 260132, 325165, 390198, 455231, 585297, 650330, 780396, 910462, 975495, 1170594, 1300660, 1365693, 1820924, 1950990, 2276155, 2341188, 2731386, 2926485, 3901980, 4097079, 4552310, 5462772, 5852970, 6828465, 8194158, 9104620, 11705940, 13656930, 16388316, 20485395, 27313860, 40970790, 81941580]

約数ペア:

[(1, 81941580), (2, 40970790), (3, 27313860), (4, 20485395), (5, 16388316), (6, 13656930), (7, 11705940), (9, 9104620), (10, 8194158), (12, 6828465), (14, 5852970), (15, 5462772), (18, 4552310), (20, 4097079), (21, 3901980), (28, 2926485), (30, 2731386), (35, 2341188), (36, 2276155), (42, 1950990), (45, 1820924), (60, 1365693), (63, 1300660), (70, 1170594), (84, 975495), (90, 910462), (105, 780396), (126, 650330), (140, 585297), (180, 455231), (210, 390198), (252, 325165), (315, 260132), (420, 195099), (630, 130066), (1260, 65033)]