180721072

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{52051}}^1$

素因数の和:52097

約数の個数: 40

約数和(自身を含む): 413084672

約数和(自身を除く): 232363600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 52051, 104102, 208204, 364357, 416408, 728714, 832816, 1457428, 1613581, 2914856, 3227162, 5829712, 6454324, 11295067, 12908648, 22590134, 25817296, 45180268, 90360536, 180721072]

約数ペア:

[(1, 180721072), (2, 90360536), (4, 45180268), (7, 25817296), (8, 22590134), (14, 12908648), (16, 11295067), (28, 6454324), (31, 5829712), (56, 3227162), (62, 2914856), (112, 1613581), (124, 1457428), (217, 832816), (248, 728714), (434, 416408), (496, 364357), (868, 208204), (1736, 104102), (3472, 52051)]