81958920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2539}}^1$

素因数の和:2822

約数の個数: 64

約数和(自身を含む): 246888000

約数和(自身を除く): 164929080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 269, 538, 807, 1076, 1345, 1614, 2152, 2539, 2690, 3228, 4035, 5078, 5380, 6456, 7617, 8070, 10156, 10760, 12695, 15234, 16140, 20312, 25390, 30468, 32280, 38085, 50780, 60936, 76170, 101560, 152340, 304680, 682991, 1365982, 2048973, 2731964, 3414955, 4097946, 5463928, 6829910, 8195892, 10244865, 13659820, 16391784, 20489730, 27319640, 40979460, 81958920]

約数ペア:

[(1, 81958920), (2, 40979460), (3, 27319640), (4, 20489730), (5, 16391784), (6, 13659820), (8, 10244865), (10, 8195892), (12, 6829910), (15, 5463928), (20, 4097946), (24, 3414955), (30, 2731964), (40, 2048973), (60, 1365982), (120, 682991), (269, 304680), (538, 152340), (807, 101560), (1076, 76170), (1345, 60936), (1614, 50780), (2152, 38085), (2539, 32280), (2690, 30468), (3228, 25390), (4035, 20312), (5078, 16140), (5380, 15234), (6456, 12695), (7617, 10760), (8070, 10156)]