83338380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6521}}^1$

素因数の和:6607

約数の個数: 72

約数和(自身を含む): 256392864

約数和(自身を除く): 173054484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 6521, 12780, 13042, 19563, 26084, 32605, 39126, 58689, 65210, 78252, 97815, 117378, 130420, 195630, 234756, 293445, 391260, 462991, 586890, 925982, 1173780, 1388973, 1851964, 2314955, 2777946, 4166919, 4629910, 5555892, 6944865, 8333838, 9259820, 13889730, 16667676, 20834595, 27779460, 41669190, 83338380]

約数ペア:

[(1, 83338380), (2, 41669190), (3, 27779460), (4, 20834595), (5, 16667676), (6, 13889730), (9, 9259820), (10, 8333838), (12, 6944865), (15, 5555892), (18, 4629910), (20, 4166919), (30, 2777946), (36, 2314955), (45, 1851964), (60, 1388973), (71, 1173780), (90, 925982), (142, 586890), (180, 462991), (213, 391260), (284, 293445), (355, 234756), (426, 195630), (639, 130420), (710, 117378), (852, 97815), (1065, 78252), (1278, 65210), (1420, 58689), (2130, 39126), (2556, 32605), (3195, 26084), (4260, 19563), (6390, 13042), (6521, 12780)]