201217681840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2591}}^1\times {\mathrm{138679}}^1$

素因数の和:141290

約数の個数: 80

約数和(自身を含む): 534874337280

約数和(自身を除く): 333656655440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2591, 5182, 10364, 12955, 18137, 20728, 25910, 36274, 41456, 51820, 72548, 90685, 103640, 138679, 145096, 181370, 207280, 277358, 290192, 362740, 554716, 693395, 725480, 970753, 1109432, 1386790, 1450960, 1941506, 2218864, 2773580, 3883012, 4853765, 5547160, 7766024, 9707530, 11094320, 15532048, 19415060, 38830120, 77660240, 359317289, 718634578, 1437269156, 1796586445, 2515221023, 2874538312, 3593172890, 5030442046, 5749076624, 7186345780, 10060884092, 12576105115, 14372691560, 20121768184, 25152210230, 28745383120, 40243536368, 50304420460, 100608840920, 201217681840]

約数ペア:

[(1, 201217681840), (2, 100608840920), (4, 50304420460), (5, 40243536368), (7, 28745383120), (8, 25152210230), (10, 20121768184), (14, 14372691560), (16, 12576105115), (20, 10060884092), (28, 7186345780), (35, 5749076624), (40, 5030442046), (56, 3593172890), (70, 2874538312), (80, 2515221023), (112, 1796586445), (140, 1437269156), (280, 718634578), (560, 359317289), (2591, 77660240), (5182, 38830120), (10364, 19415060), (12955, 15532048), (18137, 11094320), (20728, 9707530), (25910, 7766024), (36274, 5547160), (41456, 4853765), (51820, 3883012), (72548, 2773580), (90685, 2218864), (103640, 1941506), (138679, 1450960), (145096, 1386790), (181370, 1109432), (207280, 970753), (277358, 725480), (290192, 693395), (362740, 554716)]