1131780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1451}}^1$

素因数の和:1476

約数の個数: 48

約数和(自身を含む): 3415104

約数和(自身を除く): 2283324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1451, 2902, 4353, 5804, 7255, 8706, 14510, 17412, 18863, 21765, 29020, 37726, 43530, 56589, 75452, 87060, 94315, 113178, 188630, 226356, 282945, 377260, 565890, 1131780]

約数ペア:

[(1, 1131780), (2, 565890), (3, 377260), (4, 282945), (5, 226356), (6, 188630), (10, 113178), (12, 94315), (13, 87060), (15, 75452), (20, 56589), (26, 43530), (30, 37726), (39, 29020), (52, 21765), (60, 18863), (65, 17412), (78, 14510), (130, 8706), (156, 7255), (195, 5804), (260, 4353), (390, 2902), (780, 1451)]