1280855235

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{509}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 2277227520

約数和(自身を除く): 996372285

約数列:

[1, 3, 5, 11, 15, 33, 55, 101, 151, 165, 303, 453, 505, 509, 755, 1111, 1515, 1527, 1661, 2265, 2545, 3333, 4983, 5555, 5599, 7635, 8305, 15251, 16665, 16797, 24915, 27995, 45753, 51409, 76255, 76859, 83985, 154227, 167761, 228765, 230577, 257045, 384295, 503283, 565499, 771135, 838805, 845449, 1152885, 1696497, 2516415, 2536347, 2827495, 4227245, 7762759, 8482485, 12681735, 23288277, 38813795, 85390349, 116441385, 256171047, 426951745, 1280855235]

約数ペア:

[(1, 1280855235), (3, 426951745), (5, 256171047), (11, 116441385), (15, 85390349), (33, 38813795), (55, 23288277), (101, 12681735), (151, 8482485), (165, 7762759), (303, 4227245), (453, 2827495), (505, 2536347), (509, 2516415), (755, 1696497), (1111, 1152885), (1515, 845449), (1527, 838805), (1661, 771135), (2265, 565499), (2545, 503283), (3333, 384295), (4983, 257045), (5555, 230577), (5599, 228765), (7635, 167761), (8305, 154227), (15251, 83985), (16665, 76859), (16797, 76255), (24915, 51409), (27995, 45753)]