12831780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16451}}^1$

素因数の和:16476

約数の個数: 48

約数和(自身を含む): 38695104

約数和(自身を除く): 25863324

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, 16451, 32902, 49353, 65804, 82255, 98706, 164510, 197412, 213863, 246765, 329020, 427726, 493530, 641589, 855452, 987060, 1069315, 1283178, 2138630, 2566356, 3207945, 4277260, 6415890, 12831780]

約数ペア:

[(1, 12831780), (2, 6415890), (3, 4277260), (4, 3207945), (5, 2566356), (6, 2138630), (10, 1283178), (12, 1069315), (13, 987060), (15, 855452), (20, 641589), (26, 493530), (30, 427726), (39, 329020), (52, 246765), (60, 213863), (65, 197412), (78, 164510), (130, 98706), (156, 82255), (195, 65804), (260, 49353), (390, 32902), (780, 16451)]