212808120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{253343}}^1$

素因数の和:253364

約数の個数: 64

約数和(自身を含む): 729630720

約数和(自身を除く): 516822600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 253343, 506686, 760029, 1013372, 1266715, 1520058, 1773401, 2026744, 2533430, 3040116, 3546802, 3800145, 5066860, 5320203, 6080232, 7093604, 7600290, 8867005, 10133720, 10640406, 14187208, 15200580, 17734010, 21280812, 26601015, 30401160, 35468020, 42561624, 53202030, 70936040, 106404060, 212808120]

約数ペア:

[(1, 212808120), (2, 106404060), (3, 70936040), (4, 53202030), (5, 42561624), (6, 35468020), (7, 30401160), (8, 26601015), (10, 21280812), (12, 17734010), (14, 15200580), (15, 14187208), (20, 10640406), (21, 10133720), (24, 8867005), (28, 7600290), (30, 7093604), (35, 6080232), (40, 5320203), (42, 5066860), (56, 3800145), (60, 3546802), (70, 3040116), (84, 2533430), (105, 2026744), (120, 1773401), (140, 1520058), (168, 1266715), (210, 1013372), (280, 760029), (420, 506686), (840, 253343)]