78678750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{20981}}^1$

素因数の和:21006

約数の個数: 40

約数和(自身を含む): 196643304

約数和(自身を除く): 117964554

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1250, 1875, 3750, 20981, 41962, 62943, 104905, 125886, 209810, 314715, 524525, 629430, 1049050, 1573575, 2622625, 3147150, 5245250, 7867875, 13113125, 15735750, 26226250, 39339375, 78678750]

約数ペア:

[(1, 78678750), (2, 39339375), (3, 26226250), (5, 15735750), (6, 13113125), (10, 7867875), (15, 5245250), (25, 3147150), (30, 2622625), (50, 1573575), (75, 1049050), (125, 629430), (150, 524525), (250, 314715), (375, 209810), (625, 125886), (750, 104905), (1250, 62943), (1875, 41962), (3750, 20981)]