320961264

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{514361}}^1$

素因数の和:514385

約数の個数: 40

約数和(自身を含む): 892932432

約数和(自身を除く): 571971168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 514361, 1028722, 1543083, 2057444, 3086166, 4114888, 6172332, 6686693, 8229776, 12344664, 13373386, 20060079, 24689328, 26746772, 40120158, 53493544, 80240316, 106987088, 160480632, 320961264]

約数ペア:

[(1, 320961264), (2, 160480632), (3, 106987088), (4, 80240316), (6, 53493544), (8, 40120158), (12, 26746772), (13, 24689328), (16, 20060079), (24, 13373386), (26, 12344664), (39, 8229776), (48, 6686693), (52, 6172332), (78, 4114888), (104, 3086166), (156, 2057444), (208, 1543083), (312, 1028722), (624, 514361)]