67285780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 144668160

約数和(自身を除く): 77382380

約数列:

[1, 2, 4, 5, 10, 20, 89, 103, 178, 206, 356, 367, 412, 445, 515, 734, 890, 1030, 1468, 1780, 1835, 2060, 3670, 7340, 9167, 18334, 32663, 36668, 37801, 45835, 65326, 75602, 91670, 130652, 151204, 163315, 183340, 189005, 326630, 378010, 653260, 756020, 3364289, 6728578, 13457156, 16821445, 33642890, 67285780]

約数ペア:

[(1, 67285780), (2, 33642890), (4, 16821445), (5, 13457156), (10, 6728578), (20, 3364289), (89, 756020), (103, 653260), (178, 378010), (206, 326630), (356, 189005), (367, 183340), (412, 163315), (445, 151204), (515, 130652), (734, 91670), (890, 75602), (1030, 65326), (1468, 45835), (1780, 37801), (1835, 36668), (2060, 32663), (3670, 18334), (7340, 9167)]