64678920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2417}}^1$

素因数の和:2654

約数の個数: 64

約数和(自身を含む): 194987520

約数和(自身を除く): 130308600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 223, 446, 669, 892, 1115, 1338, 1784, 2230, 2417, 2676, 3345, 4460, 4834, 5352, 6690, 7251, 8920, 9668, 12085, 13380, 14502, 19336, 24170, 26760, 29004, 36255, 48340, 58008, 72510, 96680, 145020, 290040, 538991, 1077982, 1616973, 2155964, 2694955, 3233946, 4311928, 5389910, 6467892, 8084865, 10779820, 12935784, 16169730, 21559640, 32339460, 64678920]

約数ペア:

[(1, 64678920), (2, 32339460), (3, 21559640), (4, 16169730), (5, 12935784), (6, 10779820), (8, 8084865), (10, 6467892), (12, 5389910), (15, 4311928), (20, 3233946), (24, 2694955), (30, 2155964), (40, 1616973), (60, 1077982), (120, 538991), (223, 290040), (446, 145020), (669, 96680), (892, 72510), (1115, 58008), (1338, 48340), (1784, 36255), (2230, 29004), (2417, 26760), (2676, 24170), (3345, 19336), (4460, 14502), (4834, 13380), (5352, 12085), (6690, 9668), (7251, 8920)]