78832020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{2633}}^1$

素因数の和:3144

約数の個数: 48

約数和(自身を含む): 221256000

約数和(自身を除く): 142423980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 499, 998, 1497, 1996, 2495, 2633, 2994, 4990, 5266, 5988, 7485, 7899, 9980, 10532, 13165, 14970, 15798, 26330, 29940, 31596, 39495, 52660, 78990, 157980, 1313867, 2627734, 3941601, 5255468, 6569335, 7883202, 13138670, 15766404, 19708005, 26277340, 39416010, 78832020]

約数ペア:

[(1, 78832020), (2, 39416010), (3, 26277340), (4, 19708005), (5, 15766404), (6, 13138670), (10, 7883202), (12, 6569335), (15, 5255468), (20, 3941601), (30, 2627734), (60, 1313867), (499, 157980), (998, 78990), (1497, 52660), (1996, 39495), (2495, 31596), (2633, 29940), (2994, 26330), (4990, 15798), (5266, 14970), (5988, 13165), (7485, 10532), (7899, 9980)]