209728920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1753}}^1$

素因数の和:2764

約数の個数: 64

約数和(自身を含む): 630177120

約数和(自身を除く): 420448200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 997, 1753, 1994, 2991, 3506, 3988, 4985, 5259, 5982, 7012, 7976, 8765, 9970, 10518, 11964, 14024, 14955, 17530, 19940, 21036, 23928, 26295, 29910, 35060, 39880, 42072, 52590, 59820, 70120, 105180, 119640, 210360, 1747741, 3495482, 5243223, 6990964, 8738705, 10486446, 13981928, 17477410, 20972892, 26216115, 34954820, 41945784, 52432230, 69909640, 104864460, 209728920]

約数ペア:

[(1, 209728920), (2, 104864460), (3, 69909640), (4, 52432230), (5, 41945784), (6, 34954820), (8, 26216115), (10, 20972892), (12, 17477410), (15, 13981928), (20, 10486446), (24, 8738705), (30, 6990964), (40, 5243223), (60, 3495482), (120, 1747741), (997, 210360), (1753, 119640), (1994, 105180), (2991, 70120), (3506, 59820), (3988, 52590), (4985, 42072), (5259, 39880), (5982, 35060), (7012, 29910), (7976, 26295), (8765, 23928), (9970, 21036), (10518, 19940), (11964, 17530), (14024, 14955)]