212248260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{168451}}^1$

素因数の和:168473

約数の個数: 72

約数和(自身を含む): 735798336

約数和(自身を除く): 523550076

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 168451, 336902, 505353, 673804, 842255, 1010706, 1179157, 1516059, 1684510, 2021412, 2358314, 2526765, 3032118, 3369020, 3537471, 4716628, 5053530, 5895785, 6064236, 7074942, 7580295, 10107060, 10612413, 11791570, 14149884, 15160590, 17687355, 21224826, 23583140, 30321180, 35374710, 42449652, 53062065, 70749420, 106124130, 212248260]

約数ペア:

[(1, 212248260), (2, 106124130), (3, 70749420), (4, 53062065), (5, 42449652), (6, 35374710), (7, 30321180), (9, 23583140), (10, 21224826), (12, 17687355), (14, 15160590), (15, 14149884), (18, 11791570), (20, 10612413), (21, 10107060), (28, 7580295), (30, 7074942), (35, 6064236), (36, 5895785), (42, 5053530), (45, 4716628), (60, 3537471), (63, 3369020), (70, 3032118), (84, 2526765), (90, 2358314), (105, 2021412), (126, 1684510), (140, 1516059), (180, 1179157), (210, 1010706), (252, 842255), (315, 673804), (420, 505353), (630, 336902), (1260, 168451)]