217625520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{129539}}^1$

素因数の和:129562

約数の個数: 80

約数和(自身を含む): 771022080

約数和(自身を除く): 553396560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 129539, 259078, 388617, 518156, 647695, 777234, 906773, 1036312, 1295390, 1554468, 1813546, 1943085, 2072624, 2590780, 2720319, 3108936, 3627092, 3886170, 4533865, 5181560, 5440638, 6217872, 7254184, 7772340, 9067730, 10363120, 10881276, 13601595, 14508368, 15544680, 18135460, 21762552, 27203190, 31089360, 36270920, 43525104, 54406380, 72541840, 108812760, 217625520]

約数ペア:

[(1, 217625520), (2, 108812760), (3, 72541840), (4, 54406380), (5, 43525104), (6, 36270920), (7, 31089360), (8, 27203190), (10, 21762552), (12, 18135460), (14, 15544680), (15, 14508368), (16, 13601595), (20, 10881276), (21, 10363120), (24, 9067730), (28, 7772340), (30, 7254184), (35, 6217872), (40, 5440638), (42, 5181560), (48, 4533865), (56, 3886170), (60, 3627092), (70, 3108936), (80, 2720319), (84, 2590780), (105, 2072624), (112, 1943085), (120, 1813546), (140, 1554468), (168, 1295390), (210, 1036312), (240, 906773), (280, 777234), (336, 647695), (420, 518156), (560, 388617), (840, 259078), (1680, 129539)]