51389880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{428249}}^1$

素因数の和:428263

約数の個数: 32

約数和(自身を含む): 154170000

約数和(自身を除く): 102780120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 428249, 856498, 1284747, 1712996, 2141245, 2569494, 3425992, 4282490, 5138988, 6423735, 8564980, 10277976, 12847470, 17129960, 25694940, 51389880]

約数ペア:

[(1, 51389880), (2, 25694940), (3, 17129960), (4, 12847470), (5, 10277976), (6, 8564980), (8, 6423735), (10, 5138988), (12, 4282490), (15, 3425992), (20, 2569494), (24, 2141245), (30, 1712996), (40, 1284747), (60, 856498), (120, 428249)]